Back to results
US 9,312,578 B2Granted
Battery module and insulation inspecting method of battery module
AssigneeGS Yuasa International Ltd.
InventorsSuguru Moriguchi, Hirohisa Toritani, Yoshihiro Masuda, Hironori Aida
Life of this patent
Estimating the term…
Abstract
A battery module includes a metal casing and a battery cell accommodated in the casing. The casing is provided on its outer surface with an insulation layer and a conductive portion.
Claims16
A battery module, comprising:
- a casing comprising a metal and provided on an outer surface of the casing with an insulation layer and a conductive portion;
- a battery cell accommodated in the casing, the battery cell generating electricity;
- and
- an insulation sheet disposed between an inner surface of the casing and the battery cell,
- wherein the conductive portion comprises a metal member that penetrates the casing and includes a calked portion at an inner end of the conductive portion, and
- wherein the casing includes a recess, at which an inner surface of the casing is dented outwardly, and the calked portion of the metal member is accommodated in the recess such that the calked portion does not project inward from the recess.
3 more elements
An insulation inspecting method of a battery module, the method comprising:
- providing a battery module including a casing which comprises a metal and provided on an outer surface of the casing with an insulation layer and a conductive portion, a battery cell accommodated in the casing, the battery cell generating electricity, and an insulation sheet disposed between an inner surface of the casing and the battery cell,
- wherein the conductive portion comprises a metal member that penetrates the casing and includes a calked portion at an inner end of the conductive portion, and
- wherein the casing includes a recess, at which an inner surface of the casing is dented outwardly, and the calked portion of the metal member is accommodated in the recess such that the calked portion does not project inward from the recess;
- and
- conducting the insulation inspection through the conductive portion provided on the outer surface of the casing.
2 more elements
Dependencies are inferred from the claim text.