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公开(公告)号：US20210384526A1
公开(公告)日：2021-12-09
申请号：US17286891
申请日：2019-08-07
IPC分类号： H01M6/14 , H01M4/06 , H01M4/50 , H01M4/40 , H01M50/449 , H01M50/107
摘要： A lithium primary battery includes a wound electrode body obtained by winding a sheet-like positive electrode, a sheet-like negative electrode, and a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte solution. The positive electrode includes manganese dioxide as a positive electrode active material. The negative electrode includes at least one selected from the group consisting of metallic lithium and lithium alloys, and has a first principal surface and a second principal surface opposite to the first principal surface. An entire surface of each of the first principal surface and the second principal surface faces the positive electrode. A total area of the first principal surface and the second principal surface is 100 cm2 or more and 180 cm2 or less.
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公开(公告)号：US20240204207A1
公开(公告)日：2024-06-20
申请号：US18263767
申请日：2022-01-26
CPC分类号： H01M4/806 , H01M4/06 , H01M4/50 , H01M2004/028
摘要： A non-aqueous electrolyte battery includes a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, and a non-aqueous electrolyte. The positive electrode includes a positive electrode active material and an expanded metal. The expanded metal includes a frame portion constituting meshes. The frame portion includes strands and bonds connecting the strands to one another. The frame portion includes strands and bonds connecting the strands to one another. Each group of plural strands out of the strands surround an aperture of a corresponding one of the meshes. The number of the plural strands surrounding the aperture is four or more. At least one of the plural strands surrounding the aperture has a bent shape or a curved line shape.
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公开(公告)号：US20200350521A1
公开(公告)日：2020-11-05
申请号：US16960032
申请日：2018-09-21
发明人： KENJI YAMATO , TADAYOSHI TAKAHASHI
摘要： A cylindrical battery including a battery case and a lid, the battery case having an opening doubly wound and tightened to be sealed by an outer peripheral portion of the lid, wherein an opening-side outer peripheral portion of the battery case has a diameter reduced inward in the radial direction, an outer peripheral surface of the battery case is covered with a label, a space surrounded by the outer peripheral surface of the battery case, the outer peripheral portion of the lid, and the label is provided, and 1.2×T1≤D≤2.7×T1 is satisfied in a range of 0.1 mm≤T1≤0.5 mm, where D is a diameter of an inscribed circle that is tangent to the outer peripheral surface of the battery case, the outer peripheral portion of the lid, and the label, and T1 is a thickness of the battery case.
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公开(公告)号：US20240250284A1
公开(公告)日：2024-07-25
申请号：US18560425
申请日：2022-04-19
IPC分类号： H01M10/04 , H01M4/02 , H01M4/06 , H01M4/38 , H01M4/50 , H01M6/16 , H01M50/119 , H01M50/169 , H01M50/489
CPC分类号： H01M10/0431 , H01M4/06 , H01M4/382 , H01M4/502 , H01M6/16 , H01M50/119 , H01M50/169 , H01M50/489 , H01M2004/021
摘要： A lithium primary battery includes an outer can, a wound-electrode assembly, and a non-aqueous electrolyte. The wound-electrode assembly includes a positive electrode, a negative electrode, and a separator which are provided between the electrodes and are wound together. The positive electrode contains manganese dioxide. The negative electrode contains at least one substance selected from the group consisting of metallic lithium and metallic lithium containing a lithium alloy, and has a first main surface and a second main surface opposite to the first main surface. The first main surface and an entirety of the second main surface of the negative electrode face the positive electrode. The total area S of the first main surface and the second main surface of the negative electrode satisfies 250 cm2≤S≤700 cm2. The thickness Tp of the positive electrode satisfies 0.8 mm≤Tp≤1.4 mm. The outer diameter D of the outer can satisfies 25 mm≤D≤37 mm. The distance C between the outer can and the wound-electrode assembly satisfies 0.3 mm≤C≤1.0 mm.
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公开(公告)号：US20220231307A1
公开(公告)日：2022-07-21
申请号：US17614398
申请日：2020-04-16
摘要： A lithium primary battery including a current collecting wire that electrically connects an electrode body and a sealing body or a battery can, in which the electrode body includes a positive electrode, a negative electrode, and a separator, the negative electrode includes at least one selected from the group consisting of metal lithium and a lithium alloy, the current collecting wire includes a first lead connected to one of the positive electrode and the negative electrode, a second lead connected to the sealing body or the battery can, and an overdischarge suppressing element interposed between the first lead and the second lead, the overdischarge suppressing element includes a first metal layer connected to the first lead, with the first metal layer being thinner than the first lead, a second metal layer connected to the second lead, with the second metal layer being thinner than the second lead, and a conductive layer interposed between the first metal layer and the second metal layer disposed to face each other, the conductive layer includes a resin and a conductive material dispersed in the resin, and the conductive material inserts lithium ions at a potential that is lower than that of the positive electrode.
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公开(公告)号：US20180062119A1
公开(公告)日：2018-03-01
申请号：US15559857
申请日：2016-12-16
CPC分类号： H01M2/0222 , H01M2/0257 , H01M2/026 , H01M2/0292 , H01M2/0413 , H01M2/08
摘要： A coin type battery includes: a battery case having a bottom plate and a side portion rising from a rim of the bottom plate; a sealing plate having a top plate and a rim portion extending from the top plate to the inside of the side portion; a gasket compressed and interposed between the side portion and the rim portion; and a power generation element sealed by the battery case and the sealing plate. At least one of the battery case and the sealing plate includes a plated layer disposed on the outer surface side, and a substrate layer disposed on the inner surface side of the plated layer. The plated layer includes at least two metals selected from a set consisting of nickel, zinc, and tin.
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公开(公告)号：US20210265689A1
公开(公告)日：2021-08-26
申请号：US17251924
申请日：2019-01-15
发明人： KENJI YAMATO , TADAYOSHI TAKAHASHI
IPC分类号： H01M50/183 , H01M50/152 , H01M50/166 , H01M10/04
摘要： A battery including a battery can including a cylinder portion, a bottom wall for closing a first end of the cylinder portion, and an opening edge continuous to a second end of the cylinder portion; a power generation element housed in the cylinder portion; and a sealing plate fixed to the opening edge so as to seal an opening of the opening edge. The sealing plate includes a lid portion, and a peripheral edge portion continuous to the lid portion, the opening edge and the peripheral edge portion are linked to each other by a double seaming structure, and 0.1 mm≤T1≤0.5 mm, 0.1 mm≤T2≤0.5 mm, 1.1≤T2/T1≤3.0, and −0.21T2+1.72T1≤X≤0.27T2+4.51T1 are satisfied, where X (min) is an overlap length of a body hook of the opening edge and a cover hook of the peripheral edge portion in the double seaming structure, T1 is a thickness of the body hook, and T2 is a thickness of the cover hook.
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公开(公告)号：US20190074519A1
公开(公告)日：2019-03-07
申请号：US15767194
申请日：2016-10-07
IPC分类号： H01M4/66 , H01M2/02 , H01M10/0568 , H01M10/0569 , H01M2/08 , H01M10/052
摘要： A nonaqueous electrolyte battery includes a power generation element and a case for accommodating the power generation element. The power generation element includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. At least one selected from a group consisting of the positive electrode, the negative electrode, and the case includes stainless steel containing Sn.
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公开(公告)号：US20180358650A1
公开(公告)日：2018-12-13
申请号：US15768009
申请日：2016-10-21
IPC分类号： H01M10/0525 , H01M10/0569 , H01M10/0568 , H01M4/48 , H01M4/38 , H01M4/62
CPC分类号： H01M10/0525 , H01M4/134 , H01M4/386 , H01M4/483 , H01M4/625 , H01M10/0568 , H01M10/0569 , H01M2300/004 , Y02E60/122
摘要： A nonaqueous electrolyte battery includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and negative electrode, and a nonaqueous electrolyte. The positive electrode includes vanadium pentoxide, a first carbon black, and a first binder. The negative electrode includes a silicon-containing material, graphite, a second carbon black, and a second binder. When the battery voltage is 0 V, the potential of each of the positive electrode and negative electrode is 2.5 to 3.5 V versus metal lithium.
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公开(公告)号：US20180138467A1
公开(公告)日：2018-05-17
申请号：US15540258
申请日：2016-12-19
IPC分类号： H01M2/02 , H01M2/08 , H01M10/0525 , H01M10/04 , H01M6/16
CPC分类号： H01M2/0287 , H01M2/0222 , H01M2/026 , H01M2/0285 , H01M2/0413 , H01M2/08 , H01M6/162 , H01M10/0427 , H01M10/0525 , H01M2200/00 , H01M2220/30
摘要： A coin type battery includes a battery case, a sealing plate, and a power generation element sealed by the battery case and the sealing plate. At least one of the battery case and the sealing plate is made of a cladding material that includes: a surface layer disposed on the outer surface side; an intermediate layer disposed on the inner surface side of the surface layer; and a substrate layer disposed on the inner surface side of the intermediate layer. The surface layer is made of nickel, and the intermediate layer contains titanium.
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