发明授权
- 专利标题: Graphene-enabled battery fast-charging and cooling system and method of operating same
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申请号: US16837569申请日: 2020-04-01
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公开(公告)号: US11958382B2公开(公告)日: 2024-04-16
- 发明人: Aruna Zhamu , Yu-Sheng Su , Bor Z. Jang
- 申请人: Global Graphene Group, Inc.
- 申请人地址: US OH Dayton
- 专利权人: Honeycomb Battery Company
- 当前专利权人: Honeycomb Battery Company
- 当前专利权人地址: US OH Dayton
- 主分类号: B60L58/00
- IPC分类号: B60L58/00 ; B60L58/24 ; B60L58/27 ; B60L58/33 ; B60L58/34 ; H01M10/44 ; H01M10/46 ; H01M10/653 ; H02J7/00
摘要:
Provided is a battery charging system, comprising (a) at least one charging circuit to charge at least one rechargeable battery cell; and (b) a heating device to provide heat that is transported through a heat spreader element, implemented fully outside the battery cell, to heat up the battery cell to a desired temperature Tc before or during battery charging. The system may further comprise (c) a cooling device in thermal contact with the heat spreader element configured to enable transporting internal heat of the battery cell through the heat spreader element to the cooling device when the battery cell is discharged. Charging the battery at Tc enables completion of the charging of the battery in less than 15 minutes, typically less than 10 minutes, and more typically less than 5 minutes without adversely impacting the battery structure and performance. Also provided is a battery module or pack working with such a system.
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