Battery

A World Class Competitive R&D Center

Leading
the Energy Storage Sector with
Revolutionary Materials Technology

Environmental problems and resource depletion by rapid industrialization during modern human civilization and shortage of energy resource supply for portable devices along with highly advanced telecommunication are emerged as major social issues. To address these issues, LG Chem Battery R&D has developed a variety of batteries such as batteries for mobile devices with high energy capacity, high powered batteries for electric vehicles, and long-life batteries for energy storage systems. Battery materials R&D group work on cathode materials, anode materials, separators, electrolytes, binder, and conductive materials based on various knowledge including electrochemistry, organic and inorganic chemistry, metallurgical engineering, and polymer chemistry.

Specifically, the battery materials R&D group works on the following: 1) cathode materials such as Ni-Co-Mn component cathode materials, high voltage LCO, and LFP, 2) anode materials including graphite, non-graphitic materials, and next generation materials with high capacity, and 3) electrolytes and separators for innovatively improving safety. The LG Chem’s proprietary materials have been used in batteries for mobile devices, xEV, and ESS, which allows batteries to have differentiated performance and safety.

Especially, based on battery technologies for electric bicycles and robotic vacuum cleaners, development of batteries with high energy, high power, and prolonged lifetime has had an active progress in xEVs of global auto makers. To make battery technology advance, battery R&D maintains a close relationship among highly competent researchers in mechanical engineering, electrical engineering, chemical engineering, chemistry, metallurgical engineering, and material engineering.

Battery Materials

Cathode Materials

Cathode materials provide Li source in lithium-ion battery, intercalating Li ions into the crystal lattice during the charge cycle and reversing the process during the discharge cycle. Li-metal oxides, the cathode material in lithium-ion battery, exhibit good durability as well as high electrochemical performance. Compared to the materials used in Ni-MH and Ni-Cd batteries, cathode materials for Li-ion batteries are environmentally friendly thus allowing an exponential expansion of applications. LG Chem developed the world's first Li-ion mobile batteries by adopting our unique Ni-Mn-Co-oxides. In addition, high capacity and high power materials for automotive batteries are under development.

  • Cross section of cathode material with different orientation of the particles

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

Battery Materials

Anode Materials

Anode materials are one of the most critical components in a lithium-ion battery. Anodes serve as a repository for electrons and lithium ions. Anode materials come in powder form and are used in a battery with binders. Although, graphite is used as the carbon source for anode material at present, LG Chem also works on developing next generation anode materials with high capacity, high performance for use in batteries of mobile electronics and electric vehicles.

  • Spherical graphite-based anode material
  • Si-based anode material for the next generation

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

Battery Materials

Safety Reinforced Separator

The LG Chem’s safety reinforced separator is the world’s 1st separator with a new material concept in nanotechnology. Compared to the conventional polyolefin separators, it shows improved thermo-mechanical features, and excellent anti-shock properties. It plays a key role in reducing the risk of electrical short circuits. The enhanced battery safety allows development of a wide variety of new batteries such as high capacity batteries and mid-large format batteries for HEVs, that once were difficult to develop due to lack of safe materials.

  • Separators wound on the reel in various widths

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

Battery Materials

Electrolyte

Electrolytes help convey the ion carriers along an electrode. Understanding electrolytes takes a thorough background in chemical, physical, and electrochemical properties of electrolytes, and electrolyte/electrode interfacial phenomena. Development and design of high performance electrolytes and additives are underway. Chief accomplishments in this area are long-life electrolytes, ultra-safe electrolytes, high power electrolytes and high voltage electrolytes. Current development is an analytical tool for predicting the degree of failure or deterioration of cell performance through the use of various chemical/electrochemical techniques

  • Chemical structure model of electrolyte

Related Fields

>Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

IT&New Application Battery

Lithium-ion Cylindrical Battery

Li-ion cylindrical batteries are mainly used in laptops, power tools, electric vehicles and electric bicycles. Recently the application of the cylindrical battery has extended to wearable IT devices, vacuum cleaners, UPS and SLI. To reach into potential markets, LG Chem is developing battery cells with high capacity and performance of 1.5 to 4.0Ah.

  • Can-type Lithium-ion cylindrical battery

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

IT&New Application Battery

Lithium-ion Prismatic Battery

With years of Lithium-ion battery research undertaken since 1995 and the successful production of Korea’s first Lithium-ion batteries in 1999, LG Chem has been the provider of environmental and energy solutions throughout the world. There are three types of secondary lithium-ion batteries for mobile phones: prismatic, cylindrical, and polymer. Prismatic batteries are utilized in various IT devices such as laptops and tablet PCs as wells as in mobile phones. To become a leading supplier of these batteries, LG Chem constantly strives to secure technological capabilities to promptly respond to customer needs.

  • Can-type Lithium-ion prismatic battery

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

IT&New Application Battery

Lithium-ion Polymer Battery

Lithium-ion polymer type battery is widely used in personal mobile devices, such as laptops, tablet PCs, mobile phones. In response to a recent growth of the market, especially in the wearable IT’s, Stepped batteries can only be mass produced with a stack & folding technology, with which LG Chem successfully manufactures its polymer batteries of superior qualities. As an effort to become a leading company in the field, LG Chem is currently developing a sophisticated technology to enhance energy density and capacity with a new concept design.

  • Pouch-type Lithium-ion polymer battery

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

IT&New Application Battery

IT&New Application Battery Pack

IT&New Application pack is a set of batteries combined into circuits, equipped with electrical functions for protection. IT&New Application packs can be either embedded or removable or depending on the application: electric bicycles, vacuum cleaners, power tools, laptops, tablet PCs, and mobile phones. In a pack system several cells are connected according to the serial-parallel system, capacity and voltage and equipped with a protection circuit, which is one of the important components in IT&New Application pack, to make IT devices work under safe stable state. Recently LG Chem has been developing and progressing with an effort for new designs such as combining different types of cells in a pack or applying new function to pack.

  • Battery pack installed in electronic equipment, a form of mechanical component

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

Automotive Battery

Lithium-ion Polymer Battery

LG Chem battery R&D aspires to become a provider of sustainable energy solutions to reduce the emission of carbon dioxide and environmental pollutions. As an energy solution partner, LG Chem battery R&D is leading the lithium-ion battery market, especially in automotive batteries. LG Chem's advanced automotive battery has an advantage of high volumetric/gravitational energy density compared to prismatic automotive lithium-ion battery. LG Chem supplies a wide range of lithium-ion battery products such as hybrid electric vehicle (HEV), plug in hybrid electric vehicle(PHEV) and electric vehicle (EV).

Lithium-ion battery for HEV supports an internal combustion engine with an electric motor by providing power during acceleration and regenerating during general driving or braking, which results in an increased mileage efficiency and decreased carbon dioxide emissions and air pollutions. Lithium-ion battery for PHEV is distinguished by the balanced power and energy for enough EV mode drive range(~50km) and the power supporting internal combustion engine. Batteries for EVs, especially Long Range Electric Vehicles (LREV), provide the industry's highest volumetric and gravitational energy density. With a flat and large dimension of flexible pouch type battery, LG Chem is continuously working on providing the best power/energy density Lithium-ion batteries for our automaker partners. LG Chem Battery R&D provides the best energy solutions technology in the global automotive Lithium-ion battery market.

  • Pouch-type Lithium-ion polymer battery

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

Automotive Battery

BMS(Battery Management System)

BMS collects data on the battery pack in order to estimate the current state of batteries and to protect them from damage. By communicating with the electric vehicle's charger and the motor controller called the inverter, , BMS functions as to determine the performance of EV's power train. LG Chem has been working on the development of an algorithm that accurately estimates the current state of the battery pack using the characteristics of the cell. Additionally, we are developing a robust H/W design required by the vehicle's ECU, signal processing and component technologies that will handle sensors inside the battery pack, and a S/W design based on vehicles' platforms such as AUTOSAR.

  • Circuit board of battery management system

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

Automotive Battery

Automotive Battery Pack

Battery pack is the final product ready to be installed in electrical vehicles in the form of a mechanical component converted from chemical products (battery cells). Primary function of a battery pack is to protect battery cells from external conditions such as mechanical shock, vibration, humidity, and heat. Various state of the art technologies (structural engineering, design optimization, thermal-fluidic engineering, electrical engineering, numerical analysis, etc.) are combined and applied to the development of a battery pack in order to improve cooling performance, mechanical robustness while securing high energy density. Recently, LG Chem engineers have started about a project on developing a 'modulization technology' to promptly respond to customers by improving productivity and standardization of battery pack.

  • Battery pack installed in automotive system, a form of mechanical component

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

Battery Energy Storage System

Lithium-ion Polymer Battery

The Energy Storage System (ESS) is an energy storage technology that saves the produced power to the power storage system and enables the saved power to be used in a place and time when necessary. As there is a growing demand for capacity scalability, energy conversion efficiency, and environmentally friendly properties, there has been a need for rechargeable battery that has a high power capability and high energy density. In particular, the Lithium-ion battery is a high-performance battery that meets the above demands and has a number of advantages, such as high energy density, high operating voltage, excellent storage and service life characteristics. Because of these advantages, it has been widely applied to many different purposes, including: 1) household and industrial, as line voltage backups in Uninterrupted Power Supplies (UPS), 2) renewable energy power storage, and 3) mass energy storage for industrial facilities, power plants, and substations. It is expected that the use of the Lithium-ion battery will keep increasing.

  • Pouch-type Lithium-ion polymer battery

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

Battery Energy Storage System

BMS(Battery Management System)

BMS works as the brain of the rechargeable battery and its main features are to perform the following tasks through the voltage/current/temperature measurement: 1) accurate estimation of the energy levels/power throughput/aging status, 2) diagnosis of all electrical safety functions and abnormalities within battery pack/rack/system, 3) system control, and 4) communication functions with the host (i.e. the PCS, EMS) and battery system.
The following research areas are currently being promoted: 1) ESS standard interface, 2) BMS SW Platform, 3) Standard hardware and software development of the battery module, 4) The SOC(State of Charge), SOP(State of Power), SOH(State of Health) via precise estimation algorithms, 5) Reliability improvement techniques that consider the long-term use and installation environment, 6) Optimal diagnostic technology specific to High-capacity Smart Grid (30~100MWh class system), and 7) Optimal configuration for a small ESS associated with residential and industrial UPS systems.

  • Circuit board of battery management system

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

Battery Energy Storage System

Pack of Energy Storage System(ESS)

The battery pack of the ESS, as a collection of mechanical parts, is a final, finished product used to encapsulate its power storage capabilities by connecting with the power grid, such as power plants, residential photovoltaic systems, or industrial UPS systems. The main purpose of the ESS pack is to protect lithium-ion battery against mechanical shock, vibration, wetness, and poor external environments, thus providing storage/power in a stable manner. For the battery pack development, various engineering techniques(structural dynamics, optimal design, thermal fluid engineering, electrical engineering, process control analysis, etc.) are combined to maximize the energy density of the pack and provide high cooling efficiency and structural robustness. This is to help develop smaller and lighter products, improve the mass production by standardization of appearance, and build modular designs for rapid response to evolving customer needs.

  • Battery pack installed in Energy storage system , a form of mechanical component

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com

Battery Energy Storage System

Energy Storage System(ESS)

The ESS system team provides the type of product required by our Customers based on information obtained from reviewing the needs of the power-market environment and actual usage pattern analysis and simulation. In the case of the ESS, it treats the Container as a scalable base product unit, because it requires a large-capacity high voltage battery reaching to tens of MWh. Also, the ESS system team is developing additional solutions to respond to diverse needs. The above techniques, incorporating work from various fields, ensure the system's structural stability and cooling effectiveness. This includes a set of control techniques for operating a system that combines each one of the base components. System unit reliability and flexibility are secured through correlated tests with a number of host controllers(PCS, EMS, etc).

  • Energy storage system

Related Fields

Related Fields
Chemistry Organic Chemistry, Inorganic Chemistry, Organic Synthesis, Inorganic Synthesis, Electric Chemistry
Chemical Engineering Polymer Science/Engineering, Reaction Engineering
Material Science Inorganic Materials, Polymer Materials
Mechanical/Electric Engineering Mechanical Engineering, Mechanical Design/Optimization, Electronics/Electrical Engineering
Computer Engineering Software Programming
Physics Solid State Physics
  • Contact : youncj@lgchem.com