公开(公告)号：US09887047B2

公开(公告)日：2018-02-06

申请号：US14102700

申请日：2013-12-11

Applicant: IMRA AMERICA, INC.

Inventor： Bing Tan ,  Zhendong Hu ,  Guanghui He ,  Yong Che

IPC: H01M4/131 ,  H01G11/46 ,  H01G11/86 ,  H01M10/0525 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/36 ,  H01G11/06 ,  H01G11/50 ,  H01M4/62 ,  H01M4/02

CPC classification number: H01G11/46 ,  H01G11/06 ,  H01G11/50 ,  H01G11/86 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/364 ,  H01M4/485 ,  H01M4/62 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021 ,  Y02E60/13

Abstract: The described embodiments provide an energy storage device that includes a positive electrode including an active material that can store and release ions, a negative electrode including an active material that is a lithiated nano-architectured active material including tin and at least one stress-buffer component, and a non-aqueous electrolyte including lithium. The negative electrode active material is nano-architectured before lithiation.