Patents Acquired Between 1994-2013

Recovery Of Valuable Metal From Active Material Of Positive Electrode For Lithium Ion Secondary Battery

JP1998287864

1997

Japan

General LiB

Mechanical Processing | Hydrometallurgical Processing

Invention

Nippon Chem Ind Co Ltd

Method For Recycling Positive Electrode Active Material From Lithium Ion Secondary Battery

JP2000015216

1998

Japan

General LiB

Mechanical Processing | Hydrometallurgical Processing

Invention

Toshiba Corp

LITHIUM RECOVERY AND PURIFICATION

WO1998059385

1998

WIPO

General LiB

Direct Recovery

Invention

PACIFIC LITHIUM LIMITED

Recycling Method Of Positive Electrode For Lithium Ion Secondary Battery

JP2000231941

1999

Japan

General LiB

Pyrometallurgical Processing

Invention

Toyota Motor Corporation

Procedure for the recycling of cathode masses of used lithium batteries

EP1056146

2000

Europe

General LiB

Mechanical Processing | Hydrometallurgical Processing | Pyrometallurgical Processing

Invention

Merck Patent Gmbh

METHOD FOR CRUSHING CELL

WO2000019557

2000

WIPO

General LiB

Mechanical Processing | Pyrometallurgical Processing

Invention

MITSUBISHI HEAVY INDUSTRIES

Stabilized lithium electrochemical cells containing an alkoxy silane

US6416906B1

2000

USA

General LiB

Direct Recovery

Retriev Technologies Inc

Recovery Method For Lithium Cobaltate

JP2003272720

2002

Japan

Cobalt Chemistries

Pyrometallurgical Processing | Hydrometallurgical Processing

Invention

Japan Science & Technology Corp

Recycling Method Of Waste Lithium Ion Battery

KR1020030070468

2002

South Korea

General LiB

Mechanical Processing | Pyrometallurgical Processing

Invention

Korea Institute Of Geoscience And Mineral Resources

Method for recovery of lithium from used lithium ion cell with ion sieve

CN1451771

2003

China

General LiB

Hydrometallurgical Processing

Invention

Wuhan Sci. & Engrg. Univ.

Recovery Method Of Metal From Waste Secondary Battery

JP2005149889

2003

Japan

General LiB

Hydrometallurgical Processing | Direct Recovery

Invention

Ind Technol Res Inst

Recovery Method Of Cobalt

JP2005042189

2003

Japan

Cobalt Chemistries

Mechanical Processing | Hydrometallurgical Processing | Pyrometallurgical Processing

Invention

Ise Chemicals Corp

Recovery method for leftover and residue of positive electrode of lithium ion battery

CN1453897

2003

China

General LiB

Mechanical Processing | Hydrometallurgical Processing | Pyrometallurgical Processing

Invention

Nankai Univ.

High Temperature Treatment Method For Concentrating Valuable Metal From Waste Lithium Ion Battery

KR1020030024430

2003

South Korea

General LiB

Mechanical Processing | Pyrometallurgical Processing

Invention

Korea Institute Of Geoscience And Mineral Resources

System and method for removing an electrolyte from an energy storage and/or conversion device using a supercritical fluid

US20030186110A1

2003

USA

General LiB

Direct Recovery

Utility Model

Ecobat Resources Indiana LLC

Recovery Method Of Valuable Metal From Waste Lithium Ion Secondary Battery By Separation Of Aluminium, Repulping, Two-Stepped Neutralization And Solvent Extraction

KR1020050112487

2004

South Korea

General LiB

Hydrometallurgical Processing

Invention

Gkm Co., Ltd

Method Of Separating And Collecting Lithium Ion Secondary Battery Cathode Activator

JP2005327482

2004

Japan

General LiB

Hydrometallurgical Processing

Invention

Sumitomo Metal Mining Co

Recovery Method Of Cobalt Compound From Positive Electrode Material Of Waste Lithium Ion Secondary Battery

KR1020060019034

2004

South Korea

Cobalt Chemistries

Hydrometallurgical Processing

Invention

Town Mining Co., Ltd (Tmc)

Method for the mixed recycling of lithium-based anode batteries and cells

WO2005101564A1

2004

WIPO

General LiB

Hydrometallurgical Processing

Invention

Recupyl

Recovery and treatment method for wasted lithium ion cell

CN1601805

2004

China

General LiB

Mechanical Processing | Hydrometallurgical Processing

Invention

Huanan Techer's Univ

Method for regenerating cathode material of waste lithium ion secondary battery

CN1585187

2004

China

General LiB

Mechanical Processing | Pyrometallurgical Processing

Invention

Nankai Univ.

System and method for processing an end-of-life or reduced performance energy storage and/or conversion using a supercritical fluid

US20050244704A1

2004

USA

General LiB

Direct Recovery

Utility Model

Ecobat Resources Indiana LLC

METHOD OF RECOVERING COBALT FROM LITHIUM ION BATTERY AND COBALT RECOVERING SYSTEM

WO2004062023

2004

WIPO

Cobalt Chemistries

Direct Recovery

Invention

MITSUI MINING & SMELTING CO., LTD

Recovering method for lithium ion secondary battery positive defective material

CN1585180

2004

China

General LiB

Pyrometallurgical Processing

Invention

Nankai Univ.

Battery recycling

US7169206B2

2005

USA

Manganese Chemistries

Pyrometallurgical Processing

Utility Model

Umicore

Valuable Metal Recovery Method From Lithium Ion Battery

JP2007122885

2005

Japan

General LiB

Dismantling | Mechanical Processing | Hydrometallurgical Processing

Invention

Sumitomo Metal Mining Co

Recovery Method Of Valuable Metal By Pulverizing Waste Lithium Ion Battery And Scarp Of Lithium Ion Battery, Mixing It With Calcium Oxide-Based Solvent,Melting It, Maintaining It Under Low Oxygen Partial Pressure Condition, And Naturally Cooling It

KR1020070046990

2005

South Korea

General LiB

Mechanical Processing | Pyrometallurgical Processing

Invention

Recytech Korea Co.

Process for preparing lithium ion cathode material

US7829223B1

2005

USA

General LiB

Other Processes

Retriev Technologies Inc;

Process of produceing superfine cobalt powder with circulation technology and its apparatus

WO2007071108A1

2005

WIPO

General LiB

Other Processes

Shenzhen Gem High-Tech Co Ltd; Jingmen Gem New Material Co., Ltd.

METHOD OF RECOVERING VALUABLE SUBSTANCE FROM LITHIUM SECONDARY BATTERY, AND RECOVERY APPARATUS THEREFOR

WO2007088617

2006

WIPO

General LiB

Dismantling | Pyrometallurgical Processing

Invention

KAWASAKI PLANT SYSTEMS KABUSHIKI KAISHA