lithium‑ion

lithium‑ion
Name	Lithium‑ion battery
Invented	1970s–1990s
Inventor	John Goodenough; Akira Yoshino; Stanley Whittingham
Type	Rechargeable
Energy density	High
Applications	Portable electronics; electric vehicles; grid storage

lithium‑ion

Introduction

Lithium‑ion batteries power devices from Sony's early camcorders to Tesla, Inc. electric vehicles and grid systems deployed by Siemens and General Electric. Developed through contributions by John B. Goodenough, Akira Yoshino, and Stanley Whittingham, commercialisation in the 1990s transformed markets served by Apple Inc., Samsung Electronics, Panasonic Corporation, and LG Chem. Major policy, trade, and strategic implications involve actors such as United States Department of Energy, European Commission, Ministry of Economy, Trade and Industry (Japan), China National Development and Reform Commission, and multinational supply chains linking Democratic Republic of the Congo, Chile, and Australia.

Chemistry and Materials

Materials choices define performance: cathodes include layered oxides based on LiCoO2 used by Sony and later high‑nickel variants inspired by research at University of Oxford and MIT; spinel structures such as LiMn2O4 developed in labs at Brookhaven National Laboratory and Argonne National Laboratory; and polyanionic frameworks like LiFePO4 commercialised by A123 Systems and promoted by BYD Company. Anodes are typically graphitic forms derived from work at Mitsubishi Chemical and studies at Columbia University, while alternative anodes use silicon explored at Imec and Sila Nanotechnologies. Electrolytes mix organic carbonates advanced by DuPont and BASF with lithium salts such as LiPF6 studied by teams at Lawrence Berkeley National Laboratory. Separators employ microporous polymers produced by Asahi Kasei and Celgard, and conductive additives trace to innovations from Timcal and Cabot Corporation.

Electrochemical Principles and Cell Design

Cells rely on reversible intercalation mechanisms elucidated in research from University of Oxford and Harvard University and patented designs filed with United States Patent and Trademark Office and European Patent Office. Energy and power tradeoffs are engineered in pouch, cylindrical (e.g., 18650 standard popularised by Panasonic Corporation for Tesla Motors) and prismatic formats used by Nissan Motor Corporation. Battery management systems integrate electronics developed by Bosch, Continental AG, and Denso Corporation with algorithms from Nvidia and Intel Corporation for state‑of‑charge estimation, thermal control referencing models validated at National Renewable Energy Laboratory and Fraunhofer Society laboratories.

Manufacturing and Supply Chain

Global manufacturing spans cell production by CATL, LG Energy Solution, Panasonic Corporation, Samsung SDI, and SK Innovation; cathode precursor plants by Umicore and Sumitomo Metal Mining; and anode materials from Shanshan and Hitachi Chemical. Mining for lithium sources involves companies like Albemarle Corporation and SQM operating in regions such as Salar de Atacama and Greenbushes. Cobalt supply chains include Glencore and Vale, with processing by Sherritt International and refining at facilities owned by China Molybdenum. Logistics and trade intersect with regulations from World Trade Organization disputes, export controls influenced by U.S. Department of Commerce, and investment from firms such as BlackRock and SoftBank.

Applications and Uses

Portable electronics advanced by Sony and Apple Inc. drove early adoption in devices like iPhone and PlayStation Portable; electric mobility saw deployment in Nissan Leaf, Chevrolet Volt, and Tesla Model S; and aerospace experiments include satellites and projects by SpaceX and Boeing. Stationary storage systems for renewables are installed by utilities including Iberdrola and NextEra Energy, and microgrid projects funded by World Bank and International Renewable Energy Agency. Emerging sectors involve power tools from Bosch and Makita Corporation, medical devices regulated by U.S. Food and Drug Administration and European Medicines Agency, and rail/light rail fleets procured by authorities like Transport for London and Deutsche Bahn.

Safety, Degradation, and Recycling

Thermal runaway incidents prompted standards from Underwriters Laboratories, International Electrotechnical Commission, and regulatory actions by Federal Aviation Administration for air transport. Degradation mechanisms were characterized in studies at Lawrence Berkeley National Laboratory, Argonne National Laboratory, and Stanford University showing capacity fade via solid‑electrolyte interphase growth and transition‑metal dissolution. Recycling technologies are commercialised by Li‑Cycle, Redwood Materials, and Umicore, with policy drivers from European Union battery directives and incentives by U.S. Inflation Reduction Act. Environmental and social concerns spur corporate responsibility programs involving Fairphone and supply‑chain audits by Responsible Minerals Initiative.

Category:Batteries