The electrode constituent of a rechargeable battery cell

Title:

The electrode constituent of a rechargeable battery cell

Document Type and Number:

Japanese Patent JP6042444

Kind Code:

B2

Abstract:

The present invention relates to a composite electrode material for a rechargeable battery; to a method of making a composite electrode material; to an electrode comprising the composite electrode material, especially an anode; to cells including electrodes or anodes including the composite electrode material; and to devices including said cells. In particular, there is provided a composite electrode material for a rechargeable battery cell comprising: a. an electroactive material; and b. a polymeric binder including pendant carboxyl groups characterised in that (i) the electroactive material comprises one or more components selected from the group comprising an electroactive metal, an electroactive semi-metal, an electroactive ceramic material, an electroactive metalloid, an electroactive semi-conductor, an electroactive alloy of a metal, an electroactive alloy of a semi metal and an electroactive compound of a metal or a semi-metal, (ii) the polymeric binder has a molecular weight in the range 300,000 to 3,000,000 and (iii) 50 to 90% of the carboxyl groups of the polymeric binder are in the form of a metal ion carboxylate salt.

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Inventors:

Lava Ridge, Melanie Jay
Rain, Michael Jonathan
Cowar, Fazril
Abdel Salam, Mandaue El Sade

Application Number:

JP2014537729A

Publication Date:

December 14, 2016

Filing Date:

October 26, 2012

Export Citation:

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Assignee:

Nexeon Ltd

International Classes:

H01M4/13; H01M4/134; H01M4/36; H01M4/38; H01M4/48; H01M4/587; H01M4/62

Domestic Patent References:

JP2006210208A
JP2014510362A
JP2010518581A
JP2011082179A
JP2008235276A
JP2010533637A

Attorney, Agent or Firm:

Tadashige Ito
Tadahiko Ito
Shinsuke Onuki

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