JPH02138851U

JPH02138851U -

Info

Publication number: JPH02138851U
Application number: JP4735689U
Authority: JP
Priority date: 1989-04-21
Filing date: 1989-04-21
Publication date: 1990-11-20

Description

[Brief explanation of drawings]

第１図はこの発明の一実施例の構成を示す縦断
面図、第２図および第３図はそれぞれこの発明に
おいて用いる正極合剤の例の形状を示す斜視図、
第４図は第３図の正極合剤の部分的拡大図、第４
図は従来の非水電解液電池の一例の構成を示す縦
断面図、第６図および第７図はそれぞれこの発明
の実施例の電池と従来の電池とを対比して示す放
電中の電圧変化曲線図および内部抵抗変化曲線図
である。１……正極板、２……正極集電体、３……リン
グ、４，１４……正極合剤、５……凹部、６……
セパレータ、７……負極板、８……負極シート、
９……ガスケツト。 FIG. 1 is a longitudinal cross-sectional view showing the configuration of an embodiment of the present invention, and FIGS. 2 and 3 are perspective views showing the shape of an example of the positive electrode mixture used in the present invention, respectively.
Figure 4 is a partially enlarged view of the positive electrode mixture in Figure 3.
The figure is a vertical cross-sectional view showing the structure of an example of a conventional non-aqueous electrolyte battery, and FIGS. 6 and 7 are comparisons of the battery according to the embodiment of the present invention and the conventional battery, respectively, and show voltage changes during discharge. They are a curve diagram and an internal resistance change curve diagram. DESCRIPTION OF SYMBOLS 1... Positive electrode plate, 2... Positive electrode current collector, 3... Ring, 4, 14... Positive electrode mixture, 5... Recess, 6...
Separator, 7... negative electrode plate, 8... negative electrode sheet,
9...Gasket.

補正平１．８．１８図面の簡単な説明を次のように補正する。本願明細書第１２頁第７行の「断面図、」と「
第６図………」の間に下記の文章を挿入する。「
第５図は従来の電池の一例の構成を示す縦断面図
、」。Amendment 1.8.18.18 The brief description of the drawing is amended as follows. “Cross-sectional view,” and “
Insert the following text between ``Figure 6...''. "
FIG. 5 is a longitudinal sectional view showing the configuration of an example of a conventional battery.

Claims

[Scope of utility model registration request]

a positive electrode plate and a negative electrode plate that also serve as exterior bodies; a positive electrode mixture disposed on a surface of the positive electrode plate facing the negative electrode plate and having a short cylindrical or inverted truncated cone-shaped recess on the upper surface; A non-aqueous electrolyte comprising: a negative electrode sheet disposed on a surface of the negative electrode plate facing the positive electrode plate; and a separator interposed between the positive electrode mixture and the negative electrode sheet and impregnated with a non-aqueous electrolyte. In the battery, the maximum diameter of the recess is 50 to 95% of the diameter of the positive electrode mixture, and the dimension of the deepest part of the recess is 20 to 90% of the thickness of the separator. A non-aqueous electrolyte battery featuring: