JP5157338B2 - 扁平型電気化学セル金属端子部密封用接着性シート - Google Patents
扁平型電気化学セル金属端子部密封用接着性シート Download PDFInfo
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- JP5157338B2 JP5157338B2 JP2007239258A JP2007239258A JP5157338B2 JP 5157338 B2 JP5157338 B2 JP 5157338B2 JP 2007239258 A JP2007239258 A JP 2007239258A JP 2007239258 A JP2007239258 A JP 2007239258A JP 5157338 B2 JP5157338 B2 JP 5157338B2
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- metal terminal
- adhesive sheet
- electrochemical cell
- sealing
- sheet
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Classifications
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- H01M50/564—Terminals characterised by their manufacturing process
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Description
(扁平型電気化学セル用積層体の作成)
予め、フェノール樹脂、フッ化クロム(三価)化合物、リン酸の3成分からなる化成処理液で両面を化成処理(リン酸クロメート処理)したアルミニウム箔(40μm厚さ)の一方の面と25μm厚さの二軸延伸ナイロンフィルムとをウレタン系接着剤を介して積層し、前記アルミニウム箔の他方の面と30μm厚さの未延伸ポリプロピレンフィルムとを酸変性ポリプロピレン樹脂(不飽和カルボン酸でグラフト変性したポリプロピレン)でサンドイッチラミネーションすると共に、熱風により前記酸変性ポリプロピレン樹脂の軟化点以上の温度に加熱して実施例に供する積層体を作製した。
(扁平型電気化学セル金属端子部密封用接着シートの作成)
両面コロナ放電処理を施したPET(12μm)の一方の面にイソシアネート系の接着促進剤を固形分として50mg/m2塗布すると共にマレイン酸変性ポリプロピレン(以下、PPaと呼称する)をTダイ押出機で44μm厚さに押出し塗布し、その後にPET(12μm)の他方の面にマレイン酸変性ポリプロピレンをTダイ押出機で44μm厚さに押出し塗布し、その後45℃で72時間エージング処理をして比較例1の接着性シートを得た。
100μm厚さのマレイン酸変性ポリプロピレンフィルム100μmを接着シートとした。
2 繊維質シートまたは多孔質シート
3 酸変性ポリオレフィン樹脂層
10 扁平型電気化学セル
30 扁平型電気化学セル本体
31 金属端子
A 積層体
A1 基材層
A2 金属箔からなるバリアー層
A3 熱接着性樹脂層
Claims (3)
- 熱接着性を有するポリオレフィン系樹脂からなる内層と金属箔からなるバリアー層とを少なくとも備えた包装材により、正極および負極を備えた電気化学素子を収納すると共に前記正極および負極に各々接続された金属端子を外側に突出した状態で挟持して周縁熱接着部で密封した扁平型電気化学セルの金属端子取出部に おける前記内層と前記金属端子との間に介在させる扁平型電気化学セル金属端子部密封用接着性シートであって、
該扁平型電気化学セル金属端子部密封用接着性シートは繊維質シートを前記内層及び金属端子と接着性を有する酸変性ポリオレフィン系樹脂層で被覆し、
前記繊維質シートが200℃以上の融点を有する合成樹脂製の化学繊維からなるとともに、主として全芳香族ポリエステル系繊維からなる
ことを特徴とする扁平型電気化学セル金属端子部密封用接着性シート。 - 前記全芳香族ポリエステル系繊維が、溶融異方性全芳香族ポリエステル繊維からなることを特徴とする請求項1に記載の扁平型電気化学セル金属端子部密封用接着性シート。
- 前記全芳香族ポリエステル系繊維からなる前記繊維質シートが25℃、65%RHの環境下での吸湿率が0.1%以下であることを特徴とする請求項1または2に記載の扁平型電気化学セル金属端子部密封用接着性シート。
Priority Applications (4)
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JP2007239258A JP5157338B2 (ja) | 2006-09-21 | 2007-09-14 | 扁平型電気化学セル金属端子部密封用接着性シート |
KR1020070095348A KR101376724B1 (ko) | 2006-09-21 | 2007-09-19 | 편평형 전기화학 셀 금속 단자부 밀봉용 접착성 시트 |
US11/858,328 US10144202B2 (en) | 2006-09-21 | 2007-09-20 | Adhesive sheet for sealing metal terminals of flat electrochemical cell |
US16/174,605 US10668704B2 (en) | 2006-09-21 | 2018-10-30 | Adhesive sheet for sealing metal terminals of flat electrochemical cell |
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JP2006255618 | 2006-09-21 | ||
JP2006255618 | 2006-09-21 | ||
JP2007239258A JP5157338B2 (ja) | 2006-09-21 | 2007-09-14 | 扁平型電気化学セル金属端子部密封用接着性シート |
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CN106797000A (zh) * | 2014-09-30 | 2017-05-31 | 大日本印刷株式会社 | 电池用包装材料 |
JP6648400B2 (ja) * | 2014-11-10 | 2020-02-14 | 凸版印刷株式会社 | 端子用樹脂フィルム、それを用いたタブ及び蓄電デバイス |
JP2016186873A (ja) * | 2015-03-27 | 2016-10-27 | 大日本印刷株式会社 | 金属端子用接着性フィルム |
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JP7058465B2 (ja) * | 2015-12-29 | 2022-04-22 | 大日本印刷株式会社 | 蓄電デバイス金属端子部密封用接着性フィルム |
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