JP2018524770A - 熱可塑性樹脂による固定構造を含む電池パックの製造方法および製造装置 - Google Patents
熱可塑性樹脂による固定構造を含む電池パックの製造方法および製造装置 Download PDFInfo
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- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
本出願は、2016年2月3日付の韓国特許出願第10−2016−0013346号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示された全ての内容は本明細書の一部として含まれる。
本出願の発明者らは、鋭意研究と多様な実験を重ねた結果、後述するように、複数個の電池セルで構成される電池パックの製造時に熱可塑性樹脂からなるモールディングフレームを形成することによって、別途の組み立て構造を使わないために電池パックの組み立て過程を省略できて工程性が向上し、製造コストを節減できることを見出し、本発明を完成するに至った。
(a)PCB(Protection Circuit Board)の電極端子接続部に電池セルの電極端子を電気的に連結する過程;
(b)熱可塑性樹脂の射出口が2つ以上形成されている金型内に、PCBと連結された電池セルを安着させる過程;
(c)射出口を通して熱可塑性樹脂を注入して、PCBおよび電池セルの外周辺に熱可塑性樹脂からなるモールディングフレームを形成する過程;および
(d)モールディングフレームを固化させる過程;を含むことを特徴とする。
図1および図2は、本発明の電池パックの製造方法に使用される金型にPCBと連結された電池セルが安着された状態を模式的に示す平面図である。図1および図2を参照すれば、金型100にはPCB120を間において両側に配置された板状型電池セル101、102が平面配列された状態で安着されている。電池セル101、102の電極端子103、104はPCBの電極端子接続部121と連結されており、前記PCBは別途の部材なしに電極端子接続部を通して電池セルと連結されている。
101 板状型電池セル
102 板状型電池セル
103 電極端子
104 電極端子
111 射出口
112 射出口
113 外周エッジ
120 PCB
121 電極端子接続部
200 金型
201 電池セル
202 電池セル
220 PCB
221 電極端子接続部
223 射出口
230 上部ケース
231 貫通口
232 開口
240 下部ケース
242 構造
250 PCBケース
300 電池パック
301 電池セル
302 電池セル
320 PCBケース
360 モールディングフレーム
400 電池パック
401 電池セル
402 電池セル
460 モールディングフレーム
Claims (21)
- 電極端子が相互に対面するように平面配列された板状型電池セルから構成された電池パックを製造する方法であって、
(a)PCB(Protection Circuit Board)の電極端子接続部に電池セルの電極端子を電気的に連結する過程;
(b)熱可塑性樹脂の射出口が2つ以上形成されている金型内に、PCBと連結された電池セルを安着させる過程;
(c)射出口を通して熱可塑性樹脂を注入して、PCBおよび電池セルの外周辺に熱可塑性樹脂からなるモールディングフレームを形成する過程;および
(d)モールディングフレームを固化させる過程;を含むことを特徴とする電池パックの製造方法。 - 前記板状型電池セルは、パウチ型2次電池または角型2次電池であることを特徴とする請求項1に記載の電池パックの製造方法。
- 前記電極端子が相互に対面した状態で、2つの板状型電池セルが平面配列されていることを特徴とする請求項1に記載の電池パックの製造方法。
- 前記熱可塑性樹脂は、ポリオレフィン系(polyolefin−based)樹脂、ポリ塩化ビニル系(polyvinylchloride−based)樹脂、EVA(Ethylene−Vinyl Acetate copolymer−based)系樹脂、およびシリコーンゴムからなる群より選択される1種以上であることを特徴とする請求項1に記載の電池パックの製造方法。
- 前記金型に形成された射出口は、電池セルの外周エッジ(edges)に対応する部位および電池セルの外周辺に対応する部位それぞれに少なくとも1つ以上形成されていることを特徴とする請求項1に記載の電池パックの製造方法。
- 前記金型には、PCBに対応する部位に射出口がさらに形成されており、過程(c)で、前記射出口を通してPCB上にも熱可塑性樹脂が注入されることを特徴とする請求項1に記載の電池パックの製造方法。
- 前記PCBは、PCBケースに搭載された状態で過程(b)が行われることを特徴とする請求項1に記載の電池パックの製造方法。
- 前記PCBケースは、PCBが収納される下部ケースおよびPCBが安着された状態で下部ケースと結合される上部ケースからなることを特徴とする請求項7に記載の電池パックの製造方法。
- 前記PCBケースは、両側端部が開放された構造であることを特徴とする請求項7に記載の電池パックの製造方法。
- 前記PCBケースには、外部入出力端子を引出するための開口が形成されていることを特徴とする請求項7に記載の電池パックの製造方法。
- 前記上部ケースおよび下部ケースには、熱可塑性樹脂の注入のための貫通口が形成されていることを特徴とする請求項8に記載の電池パックの製造方法。
- 前記貫通口は、金型に形成された熱可塑性樹脂の射出口に対応する位置に形成されていることを特徴とする請求項11に記載の電池パックの製造方法。
- 前記貫通口は、2つ以上であることを特徴とする請求項11に記載の電池パックの製造方法。
- 金型には、前記PCBケースの開放された端部および貫通口に対応する部位それぞれに射出口がさらに形成されていることを特徴とする請求項7に記載の電池パックの製造方法。
- 前記モールディングフレームは、PCBを含む電池セルの外周辺を囲む構造に形成されることを特徴とする請求項1に記載の電池パックの製造方法。
- 前記モールディングフレームは、電池セルの上面および下面の外周端部を含んで電池セルの中心方向に延長されるように形成されることを特徴とする請求項1に記載の電池パックの製造方法。
- 請求項1乃至16のいずれか一項に記載の電池パックの製造方法による電池パックの製造装置であって、
相互結合される下部金型および上部金型を含み、
前記下部金型および上部金型のうち少なくともいずれか一つには、PCBを含む電池セルの外形に対応する構造が刻印されており、
前記金型には、熱可塑性樹脂を注入できる射出口が形成されていることを特徴とする電池パックの製造装置。 - 前記金型は、電池セルの外周エッジに対応する部位および電池セルの外周辺に対応する部位それぞれに少なくとも1つ以上の射出口が形成されていることを特徴とする請求項17に記載の電池パックの製造装置。
- 前記金型には、PCBに対応する部位またはPCBケースに形成された熱可塑性樹脂の貫通口に対応する部位に射出口が形成されていることを特徴とする請求項17に記載の電池パックの製造装置。
- 請求項1乃至16のいずれか一項に記載の方法で製造されたことを特徴とする電池パック。
- 請求項20に記載の電池パックを電源として含むことを特徴とするデバイス。
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PCT/KR2017/001168 WO2017135718A1 (ko) | 2016-02-03 | 2017-02-03 | 열가소성 수지에 의한 고정 구조를 포함하는 전지팩의 제조방법 및 제조장치 |
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JP6604636B2 (ja) | 2019-11-13 |
CN108602219B (zh) | 2020-12-11 |
CN108602219A (zh) | 2018-09-28 |
US10675796B2 (en) | 2020-06-09 |
EP3321058A4 (en) | 2018-10-03 |
TW201740591A (zh) | 2017-11-16 |
US20180304504A1 (en) | 2018-10-25 |
TWI709266B (zh) | 2020-11-01 |
EP3321058B1 (en) | 2022-05-04 |
WO2017135718A1 (ko) | 2017-08-10 |
KR20170092246A (ko) | 2017-08-11 |
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EP3321058A1 (en) | 2018-05-16 |
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