JP2018533159A - 導電性基材をコーティングする方法および関連する電着可能な組成物 - Google Patents
導電性基材をコーティングする方法および関連する電着可能な組成物 Download PDFInfo
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- JP2018533159A JP2018533159A JP2018508716A JP2018508716A JP2018533159A JP 2018533159 A JP2018533159 A JP 2018533159A JP 2018508716 A JP2018508716 A JP 2018508716A JP 2018508716 A JP2018508716 A JP 2018508716A JP 2018533159 A JP2018533159 A JP 2018533159A
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- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
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- 238000001782 photodegradation Methods 0.000 description 1
- 229920000712 poly(acrylamide-co-diallyldimethylammonium chloride) Polymers 0.000 description 1
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- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- CSNFMBGHUOSBFU-UHFFFAOYSA-N pyrimidine-2,4,5-triamine Chemical compound NC1=NC=C(N)C(N)=N1 CSNFMBGHUOSBFU-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical group 0.000 description 1
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- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
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- 150000003672 ureas Chemical group 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Abstract
Description
本願は、同時係属中の出願番号13/686,003(2012年11月27日出願)の一部継続出願である。
本発明は、電着によってリチウムイオンバッテリーを製造する方法に関する。本発明は、リチウムイオン含有バッテリーを製造するための電着可能な組成物にも関する。
コーティング付着方法としての電着は、印加電位の影響下での、組成物の導電性基材上への堆積を含む。コーティングは、基材を組成物中に浸漬させたときに堆積され、基材は、組成物中に浸漬された電極および対電極の電気回路の電極として働き、コーティングは、電流が電極間を通ったときに基材に付着される。
本発明は、リチウムイオンバッテリー用の電極を製造する方法を対象とする。方法は、導電性基材を電着可能な組成物中に浸漬させることを含み、基材は、組成物中に浸漬される電極および対電極を含む電気回路の電極として働き、電流が電極間を通るときに、コーティングが、基材の少なくとも一部の上または一面に付着される。この方法で使用される電着可能な組成物は:(a)水性媒体と;(b)イオン性(メタ)アクリルポリマーと;(c)(i)リチウム含有粒子および(ii)導電性粒子を含む固体粒子とを含み、少なくとも4:1の固体粒子とイオン性(メタ)アクリルポリマーとの重量比を有する。
以下の詳細な記載のために、本発明は、反対の内容が明示される場合を除き、様々な代替の変形例およびステップ順序を想定し得ることが理解されよう。さらに、任意の操作例または他に示される場合以外、本明細書および特許請求の範囲で使用される、例えば成分の量を表す全ての数値は、「約」という用語によって全ての場合に修飾されることを理解されたい。したがって、反対の内容を示さない限り、以下の明細書および添付される特許請求の範囲に記載される数値パラメーターは、本発明によって得られることになる所望の性質に応じて変化し得る近似値である。最低限でも、特許請求の範囲に対する均等論の原理の適用を制限しようとするものではないが、各数値パラメーターは、報告される有効数字の桁数に照らしてかつ通常の丸め技法を適用することによって、少なくとも解釈されるべきである。
(実施例1)
(実施例2)
(実施例3)
(実施例4)
Claims (32)
- リチウムイオンバッテリー用の電極を製造する方法であって、
導電性基材を、電着可能な組成物中に浸漬させることを含み、前記基材が、前記組成物中に浸漬される前記電極および対電極を含む電気回路の前記電極として働き、電流が前記電極間を通るときに、コーティングが、前記基材の少なくとも一部の上または一面に付着され、
前記電着可能な組成物が、
(a)水性媒体と、
(b)イオン性(メタ)アクリルポリマーと、
(c)(i)リチウム含有粒子、および
(ii)導電性粒子
を含む固体粒子と
を含み、
前記組成物が、少なくとも4:1の固体粒子とイオン性(メタ)アクリルポリマーとの重量比を有する、方法。 - 前記基材が、アルミニウム、鉄、銅、マンガン、ニッケル、これらの組合せ、および/またはこれらの合金を含む箔である、請求項1に記載の方法。
- 前記イオン性(メタ)アクリルポリマーがアニオン性である、請求項1に記載の方法。
- 前記イオン性(メタ)アクリルポリマーが、有機溶液重合技法により調製される、請求項1に記載の方法。
- 前記イオン性(メタ)アクリルポリマーが、乳化重合技法により調製される、請求項1に記載の方法。
- 前記(メタ)アクリルポリマーが、(メタ)アクリル酸モノマーを含む(メタ)アクリルモノマーの混合物を重合させ、前記(メタ)アクリルポリマーを塩基で少なくとも部分的に中和することによって調製される、請求項1に記載の方法。
- 前記(メタ)アクリル酸が、前記(メタ)アクリルモノマーの混合物の全重量に対して少なくとも30重量パーセントの量で、前記混合物中に存在する、請求項6に記載の方法。
- 前記(メタ)アクリルモノマーの混合物が、−20℃またはそれ未満のTgを有するモノマーを含む、請求項6に記載の方法。
- 低Tgモノマーが、(メタ)アクリルモノマーの全重量に対して少なくとも30重量パーセントの量で前記混合物中に存在する、請求項8に記載の方法。
- 低Tgモノマーが、アクリル酸2−エチルヘキシルおよび/またはアクリル酸ブチルを含む、請求項8に記載の方法。
- 前記リチウム含有粒子が、LiCoO2、LiNiO2、LiFePO4、LiCoPO4、LiMnO2、LiMn2O4、Li(NiMnCo)O2、および/またはLi(NiCoAl)O2を含む、請求項1に記載の方法。
- 前記リチウム含有粒子が、前記組成物中の固形物の全重量に対して少なくとも50重量パーセントの量で存在する、請求項1に記載の方法。
- 前記導電性粒子が導電性炭素粒子を含む、請求項1に記載の方法。
- 導電性炭素粒子がカーボンブラックを含む、請求項13に記載の方法。
- 前記組成物中のリチウム含有粒子と導電性粒子との相対重量比が少なくとも3:1である、請求項1に記載の方法。
- 前記組成物が、少なくとも8:1の固体粒子とイオン性(メタ)アクリルポリマーとの重量比を有する、請求項1に記載の方法。
- 前記組成物が、前記組成物の全重量に対して1から5重量パーセントの全固形分を有する、請求項1に記載の方法。
- (a)水性媒体と、
(b)イオン性(メタ)アクリルポリマーと、
(c)(i)リチウム含有粒子、および
(ii)導電性粒子
を含む固体粒子と
を含む、電着可能な組成物であって、
前記組成物が、少なくとも4:1の固体粒子とイオン性(メタ)アクリルポリマーとの重量比を有する、電着可能な組成物。 - 前記重量比が少なくとも8:1である、請求項18に記載の組成物。
- 前記イオン性(メタ)アクリルポリマーがアニオン性である。請求項18に記載の組成物。
- 前記イオン性(メタ)アクリルポリマーが、有機溶液重合技法によって調製される、請求項18に記載の組成物。
- 前記イオン性(メタ)アクリルポリマーが、乳化重合技法によって調製される、請求項18に記載の組成物。
- 前記(メタ)アクリルポリマーが、(メタ)アクリル酸モノマーを含む(メタ)アクリルモノマーの混合物を重合させ、前記(メタ)アクリルポリマーを塩基で少なくとも部分的に中和することによって調製される、請求項18に記載の組成物。
- 前記(メタ)アクリル酸が、前記(メタ)アクリルモノマーの混合物の全重量に対して少なくとも30重量パーセントの量で、前記混合物中に存在する、請求項23に記載の組成物。
- 前記(メタ)アクリルモノマーの混合物が、−20℃またはそれ未満のTgを有するモノマーを含む、請求項23に記載の組成物。
- 低Tgモノマーが、(メタ)アクリルモノマーの全重量に対して少なくとも30重量パーセントの量で、前記混合物中に存在する、請求項25に記載の組成物。
- 低Tgモノマーが、アクリル酸2−エチルヘキシルおよび/またはアクリル酸ブチルを含む、請求項25に記載の組成物。
- 前記リチウム含有粒子が、LiCoO2、LiNiO2、LiFePO4、LiCoPO4、LiMnO2、LiMn2O4、Li(NiMnCo)O2、および/またはLi(NiCoAl)O2を含む、請求項18に記載の組成物。
- 前記リチウム含有粒子が、前記固体粒子の全重量に対して少なくとも50重量パーセントの量で存在する、請求項18に記載の組成物。
- 前記導電性粒子が導電性炭素粒子を含む、請求項18に記載の組成物。
- 前記組成物中のリチウム含有粒子と導電性粒子との相対重量比が少なくとも3:1である、請求項18に記載の組成物。
- 前記組成物が、前記組成物の全重量に対して1から5重量パーセントの全固形分を有する、請求項18に記載の組成物。
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Cited By (4)
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CN113474494A (zh) * | 2018-12-20 | 2021-10-01 | Ppg工业俄亥俄公司 | 通过水性电沉积施加的电池电极涂层 |
CN113875040A (zh) * | 2019-04-26 | 2021-12-31 | Ppg工业俄亥俄公司 | 具有经涂覆的活性颗粒的可电沉积的电池电极涂层组合物 |
CN113892198A (zh) * | 2019-04-26 | 2022-01-04 | Ppg工业俄亥俄公司 | 具有沉积到多孔集电体上的共形涂层的电极 |
JP2022514102A (ja) * | 2018-12-20 | 2022-02-09 | ピーピージー・インダストリーズ・オハイオ・インコーポレイテッド | 水系電着によって適用される電池電極コーティング |
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CN111081984A (zh) * | 2019-12-31 | 2020-04-28 | 东莞市沃泰通新能源有限公司 | 一种电池浆料制备方法及电池浆料 |
CN114068197A (zh) * | 2020-08-06 | 2022-02-18 | 中国科学院上海硅酸盐研究所 | 一种改性电极及其制备方法和应用 |
JP2023553667A (ja) * | 2020-12-15 | 2023-12-25 | ビーエーエスエフ コーティングス ゲゼルシャフト ミット ベシュレンクテル ハフツング | アルコキシル化ポリエチレンイミンを含む電着塗料組成物 |
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CN113474494A (zh) * | 2018-12-20 | 2021-10-01 | Ppg工业俄亥俄公司 | 通过水性电沉积施加的电池电极涂层 |
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JP7431242B2 (ja) | 2018-12-20 | 2024-02-14 | ピーピージー・インダストリーズ・オハイオ・インコーポレイテッド | 水系電着によって適用される電池電極コーティング |
CN113875040A (zh) * | 2019-04-26 | 2021-12-31 | Ppg工业俄亥俄公司 | 具有经涂覆的活性颗粒的可电沉积的电池电极涂层组合物 |
CN113892198A (zh) * | 2019-04-26 | 2022-01-04 | Ppg工业俄亥俄公司 | 具有沉积到多孔集电体上的共形涂层的电极 |
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JP6826104B2 (ja) | 2021-02-03 |
PL3338317T3 (pl) | 2021-03-08 |
TWI655256B (zh) | 2019-04-01 |
CN107925051A (zh) | 2018-04-17 |
TW201718782A (zh) | 2017-06-01 |
CA2995988C (en) | 2020-06-30 |
CN107925051B (zh) | 2023-04-04 |
JP2020123588A (ja) | 2020-08-13 |
JP2021101422A (ja) | 2021-07-08 |
CA2995988A1 (en) | 2017-02-23 |
KR102058303B1 (ko) | 2019-12-20 |
WO2017031400A1 (en) | 2017-02-23 |
EP3338317A1 (en) | 2018-06-27 |
EP3338317B1 (en) | 2020-10-07 |
KR20180038535A (ko) | 2018-04-16 |
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