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Battery

<2017>Lithium Secondary Battery Si-Anode Technology Development Status and Commercialization Forecast
  • Publishing Date : 2017-05-29
  • Published cycle : Special
  • Page :  191p

In recent years, the demand for anode material has been rapidly increasing as the battery capacity required for smartphone applications has exceeded 3,000 mAh, and tablets and Ultra PCs adopt a high-capacity lithium polymer battery of 4,000 mAh or higher. Moreover, increasing demand for mid- and large-sized battery for electric vehicles (xEVs) and ESS applications is shifting the focus of anode materials from carbon- and graphite-based to silicone -based material (metal complex).

 

Si-based high-capacity materials are currently being developed only by a few companies. However, in order to overcome the driving range issue of electric vehicles, it is essential to develop high capacity batteries. Hence, identification of the current development status and limitations in advance will ensure competitiveness in the field.

 

The most representative high-capacity anode materials for lithium secondary batteries are Si-C composite, Si-alloy, and SiOx. Among them, SiOx and Si-alloy technologies are most matured for commercialization and applied for the development of high-capacity batteries by a few battery makers. However, there are still issues to be resolved, including short lifetime and swelling. The number of new technologies reported in industry and academia and focused research of anode material makers could be promising indicators for successful commercialization of the technology in the near future. 

 

This report describes technology development trends and performance improvement of Si anode for xEV, ESS, and IT applications. Particularly, the most recent development status of Si-based high-capacity anode materials [Si-alloy, SiOx, Si-C composite] is surveyed. In addition, the ongoing efforts to apply the new anode materials to batteries, relevant technical issues, and possible solutions are elaborated to facility the development of high-capacity batteries.

 

The strong points of this report include,

① Overall technology development status of anode material for lithium secondary battery

② Core technology elements and current issues of high-capacity Si-based anode materials

③ Recent technology development trend for Si-based anode materials

 Prospect for potential applications and commercialization of Si-based anode materials




[Contents]

 

1. Overview of lithium secondary battery

1-1. History of lithium secondary battery

1-2. Types and characteristics of lithium secondary batteries

1-3. Principles of lithium secondary battery

1-4. Components of lithium secondary battery

1-5. Applications of lithium secondary battery

 

2. Types and properties of anode materials for lithium secondary battery

2-1. Types and required properties of anode materials for lithium secondary battery 

2-2. Properties of carbon-based anode material

2-3. Properties of metal-based anode material

2-4. Properties of compound-based anode material

 

3. Technology development status of Si-based anode material for high-capacity lithium secondary battery

3-1. History and direction of high-capacity lithium secondary battery

3-2. Type and properties of high-capacity Si-based anode materials

3-3. Technology development status of high-capacity Si-based anode materials

① SiOx-based anode material

② Si-Alloy-based anode material

③ Si-C-based anode material

④ Various nanostructures of Si-based anode materials

⑤ Binder for Si-based anode materials

⑤ Collector for Si-based anode materials

3-4. Applications and commercialization prospect of Si-based anode materials

① Current market status of lithium secondary battery anode materials

② Major makers of lithium secondary battery anode materials

1) Hitachi Chemical

2) Mitsubishi Chemical

3) JFE Chemical

4) BTR New Energy Materials

5) Shanghai Shanshan Tech

6) Jiangxi Zichen Technology

7) Morgan Advanced Materials

8) POSCO Chemtech

9) Aekyung Petrochemical

10) Iljin Electric

11) Dae Joo Electronic Materials

③Prospect for potential applications and commercialization of lithium secondary battery Si-based anode materials

1) SiOx anode material (Shinetsu and others)

2) Si-M alloy anode material (3M and others)

3) Si-C composite anode material (GS Energy and others)

4) Anode materials from used silicone (Macjin and others)

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