JP2001307783A - Thermal insulating material for battery - Google Patents
Thermal insulating material for batteryInfo
- Publication number
- JP2001307783A JP2001307783A JP2000118121A JP2000118121A JP2001307783A JP 2001307783 A JP2001307783 A JP 2001307783A JP 2000118121 A JP2000118121 A JP 2000118121A JP 2000118121 A JP2000118121 A JP 2000118121A JP 2001307783 A JP2001307783 A JP 2001307783A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- insulating material
- heat storage
- heat insulating
- base material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Secondary Cells (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、冬期におけるバッ
テリーの温度低下を有効に防止することができるバッテ
リー用保温材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat insulating material for a battery, which can effectively prevent the temperature of the battery from decreasing in winter.
【０００２】[0002]
【従来の技術】各種ＯＡ機器，家電製品や自動車等に用
いられているバッテリーは、電池性能の改良により、近
年益々小型化が進んでいる。2. Description of the Related Art In recent years, batteries used for various OA equipment, home appliances, automobiles, and the like have been increasingly miniaturized due to improvements in battery performance.
【０００３】[0003]
【発明が解決しようとする課題】しかし、バッテリーハ
ウスの小型化、バッテリー本体の小型化により、冬期使
用時において、バッテリー本体（特にバッテリー液）が
冷え過ぎることにより、性能が低下して寿命が短くなる
という欠点があった。However, due to the miniaturization of the battery house and the miniaturization of the battery main body, the performance of the battery main body (particularly, the battery fluid) deteriorates due to the excessive cooling of the battery main body during use in winter, and the service life is shortened. There was a disadvantage of becoming.
【０００４】本発明は、このようなバッテリーの温度低
下を防止することができるバッテリー用保温材を提供す
ることを目的とする。[0004] It is an object of the present invention to provide a battery heat insulating material which can prevent such a decrease in battery temperature.
【０００５】[0005]
【課題を解決するための手段】本発明のバッテリー用保
温材は、蓄熱性粒子を分散させた基材を有することを特
徴とする。The heat insulating material for a battery according to the present invention is characterized by having a base material in which heat storage particles are dispersed.
【０００６】本発明のバッテリー用保温材は、蓄熱性粒
子を分散させた基材で構成されることを特徴とする。The heat insulating material for a battery according to the present invention is characterized in that it is composed of a base material in which heat storage particles are dispersed.
【０００７】かかる蓄熱性粒子は、吸熱容量が比較的大
きく、この蓄熱性粒子を基材に分散させることにより吸
熱容量の大きなバッテリー用保温材が得られる。The heat storage particles have a relatively large heat absorption capacity. By dispersing the heat storage particles in a base material, a heat insulating material for a battery having a large heat absorption capacity can be obtained.
【０００８】この蓄熱性粒子としては、シェル内に潜熱
蓄熱剤を内包したマイクロカプセルが好適である。この
潜熱蓄熱剤は、通常、液体−固体の相変化を利用して吸
熱作用（又は放熱作用）を発揮するものであり、吸熱容
量が比較的大きい。そして、６〜３５℃にて相変化する
素材の潜熱蓄熱剤を用いると、外気温の低下によるバッ
テリーの温度低下を防止して、バッテリーの過冷却によ
るバッテリー性能の低下を防止し、バッテリー寿命を延
長することができる。As the heat storage particles, microcapsules containing a latent heat storage agent in a shell are preferable. This latent heat storage agent usually exerts an endothermic effect (or a radiating effect) by utilizing a liquid-solid phase change, and has a relatively large endothermic capacity. When a latent heat storage agent of a material that changes phase at 6 to 35 ° C. is used, the temperature of the battery is prevented from lowering due to a decrease in the outside air temperature, the battery performance is prevented from lowering due to the overcooling of the battery, and the battery life is reduced. Can be extended.
【０００９】本発明のバッテリー用保温材は、このよう
な蓄熱性粒子を分散させた基材をバッテリーを包み込む
ような形状に成形して用いるのが好ましい。The heat insulating material for a battery according to the present invention is preferably used by shaping the base material in which such heat storage particles are dispersed into a shape surrounding the battery.
【００１０】[0010]
【発明の実施の形態】以下に図面を参照して本発明の実
施の形態を詳細に説明する。Embodiments of the present invention will be described below in detail with reference to the drawings.
【００１１】図１は本発明のバッテリー用保温材を示す
斜視図である。このバッテリー用保温材１は、バッテリ
ー２を包み込むことができるようにバッテリー２の形状
に倣う袋状（無蓋箱状）に、蓄熱性粒子を分散させた基
材を成形（縫製でもよい）したものである。FIG. 1 is a perspective view showing a heat insulating material for a battery according to the present invention. The heat insulating material 1 for a battery is obtained by molding (or sewing) a base material in which heat storage particles are dispersed in a bag shape (open box shape) that follows the shape of the battery 2 so that the battery 2 can be wrapped. It is.
【００１２】基材に分散させる蓄熱性粒子は、上記の通
り、シェル内に潜熱蓄熱剤を内包したマイクロカプセル
が好適である。As described above, the heat storage particles dispersed in the base material are preferably microcapsules in which a latent heat storage agent is encapsulated in a shell.
【００１３】潜熱蓄熱剤としては、バッテリー用保温材
の用途に応じて適当な融点を有するものを選択すればよ
い。例えば、パラフィン系炭化水素、天然ワックス、石
油ワックス、ポリエチレングリコール、無機化合物の水
和物等を使用することができる。As the latent heat storage agent, one having an appropriate melting point may be selected according to the use of the heat insulating material for a battery. For example, paraffinic hydrocarbons, natural wax, petroleum wax, polyethylene glycol, hydrates of inorganic compounds and the like can be used.
【００１４】このマイクロカプセルとしては、例えば約
６〜３５℃の範囲内に固体−液体の相転移温度を有する
ように材料を選択するのが好ましく、この材料として
は、例えばテトラデカン（融点６℃）、ヘキサデカン
（融点１８℃）、オクタデカン（融点２５℃）、ノナデ
カン（融点３２℃）などが挙げられる。It is preferable to select a material for the microcapsules so as to have a solid-liquid phase transition temperature in the range of, for example, about 6 to 35 ° C., for example, tetradecane (melting point: 6 ° C.) , Hexadecane (melting point 18 ° C), octadecane (melting point 25 ° C), nonadecane (melting point 32 ° C) and the like.
【００１５】上記シェルの材料としては、その耐熱温度
が上記潜熱型蓄熱剤の融点に比べて十分に高い、例えば
３０℃以上、好ましくは５０℃以上の材質であって、メ
ラミン樹脂、アクリル樹脂、ウレタン樹脂等が挙げられ
る。このうち特に好ましい材質は、ポリオキシメチレン
ウレアである。The material of the shell is a material whose heat-resistant temperature is sufficiently higher than the melting point of the latent heat type heat storage agent, for example, 30 ° C. or more, preferably 50 ° C. or more, and a melamine resin, an acrylic resin, Urethane resins and the like can be mentioned. Among them, a particularly preferred material is polyoxymethylene urea.
【００１６】マイクロカプセルの好ましい外径は１〜５
００μｍであり、より好ましくは５〜１００μｍであ
る。また、内包される潜熱蓄熱剤の量は、潜熱効果の点
からは多いほうが好ましいが、多過ぎると潜熱蓄熱剤の
体積変化によりマイクロカプセルが破損する恐れがあ
る。このため、マイクロカプセル全体の重量に対する潜
熱蓄熱剤の量は、３０〜９０重量％とすることが好まし
く、６０〜８０重量％とすることがより好ましい。The preferred outer diameter of the microcapsules is 1 to 5
It is 00 μm, and more preferably 5 to 100 μm. It is preferable that the amount of the latent heat storage agent included is large from the viewpoint of the latent heat effect. However, if the amount is too large, the microcapsules may be damaged due to a change in the volume of the latent heat storage agent. For this reason, the amount of the latent heat storage agent with respect to the total weight of the microcapsules is preferably 30 to 90% by weight, and more preferably 60 to 80% by weight.
【００１７】マイクロカプセルの製造方法としては、界
面重合法、ｉｎ−ｓｉｔｕ重合法、コアセルベート法等
の従来の公知の製造方法から、潜熱蓄熱剤及びシェルの
材質等に応じて適切な方法を選択すればよい。As a method for producing the microcapsules, an appropriate method can be selected from conventionally known methods such as an interfacial polymerization method, an in-situ polymerization method, and a coacervate method, depending on the materials of the latent heat storage agent and the shell. I just need.
【００１８】上記マイクロカプセルは、基材の全体重量
に対して２０〜８０重量％含有されることが好ましく、
２５〜７５重量％であることがより好ましい。マイクロ
カプセルの含有量が２０重量％未満では蓄熱効果が不十
分となる場合がある。一方、マイクロカプセルの含有量
が８０重量％を超えると、基材の成形性、強度、弾性等
が低下するため好ましくない。The microcapsules are preferably contained in an amount of 20 to 80% by weight based on the total weight of the substrate.
More preferably, it is 25 to 75% by weight. When the content of the microcapsules is less than 20% by weight, the heat storage effect may be insufficient. On the other hand, if the content of the microcapsules exceeds 80% by weight, the moldability, strength, elasticity and the like of the substrate are undesirably reduced.
【００１９】この蓄熱性粒子を分散させる基材として
は、特に制限はなく、ＳＢＲフォーム、ウレタンフォー
ム又はメカニカルフロスウレタンフォーム等のフォー
ム、合成皮革、合成樹脂が好適である。The substrate on which the heat storage particles are dispersed is not particularly limited, and foams such as SBR foam, urethane foam or mechanical froth urethane foam, synthetic leather, and synthetic resin are suitable.
【００２０】この蓄熱性粒子含有基材の厚さは２ｍｍ以
上であることが十分な温度調整機能と取り扱い強度を得
る上で好ましい。この基材は過度に厚くても取り扱い
性、コスト等の面で不利となることから特に２〜１００
ｍｍ程度とするのが好ましい。The thickness of the heat-storable particle-containing substrate is preferably 2 mm or more in order to obtain a sufficient temperature control function and handling strength. Even if the base material is excessively thick, it is disadvantageous in terms of handleability, cost, and the like.
mm is preferable.
【００２１】このような蓄熱性粒子含有基材は、ＳＢ
Ｒ、ウレタンフォーム等を製造する際に、原料中に所定
量の蓄熱性粒子を配合して常法に従って成形することに
より容易に製造することができる。Such a substrate containing heat storage particles is made of SB
When producing R, urethane foam or the like, it can be easily produced by blending a predetermined amount of heat storage particles in a raw material and molding the mixture according to a conventional method.
【００２２】なお、蓄熱性粒子を配合した基材、例えば
フォームの密度は２０〜５００ｋｇ／ｍ３程度であるこ
とが好ましい。It is preferable that the density of the substrate containing the heat storage particles, for example, the foam, is about 20 to 500 kg / m 3 .
【００２３】このような本発明のバッテリー用保温材
は、自動車用バッテリー、ＯＡ機器用バッテリー、家電
用バッテリー等の各種機器設備のバッテリー用保温材と
して有用である。Such a heat insulating material for a battery of the present invention is useful as a heat insulating material for a battery of various equipment such as a battery for an automobile, a battery for OA equipment, and a battery for home appliances.
【００２４】[0024]
【実施例】以下に実施例及び比較例を挙げて本発明をよ
り具体的に説明する。The present invention will be described more specifically below with reference to examples and comparative examples.
【００２５】実施例１〜３、比較例１ Frisby Technologies 社の商品名 THERMASORB４３，６
５，８３を分散させたＳＢＲフォームよりなるバッテリ
ー用保温材を製造した。このマイクロカプセルは、ポリ
オキシメチレンウレアからなるシェルに表３に示す融点
の潜熱蓄熱剤がマイクロカプセル全体重量に対して７５
重量％内包されたものであって、その平均粒径は２８μ
ｍである。マイクロカプセルの配合量は３０重量％であ
り、ＳＢＲフォームの密度は９０ｋｇ／ｍ３であり、厚
みは４ｍｍとした。Examples 1-3, Comparative Example 1 The trade name THERMASORB 43, 6 of Frisby Technologies
A battery heat insulating material comprising SBR foam in which 5,83 was dispersed was manufactured. In this microcapsule, a latent heat storage agent having a melting point shown in Table 3 was added to a shell composed of polyoxymethylene urea in an amount of 75% based on the total weight of the microcapsule.
% By weight, the average particle size of which is 28 μm.
m. The blending amount of the microcapsules was 30% by weight, the density of the SBR foam was 90 kg / m 3 , and the thickness was 4 mm.
【００２６】このフォームを自動車用バッテリーに図１
に示す如く巻き付け、環境温度を、３０℃から０℃に下
げた場合、内部のバッテリー液の温度が０℃になるまで
の時間を測定し、結果を表１に示した。なお、表１に
は、マイクロカプセルを配合したＳＢＲフォームを巻き
付けずにそのままでバッテリーを放置した場合につい
て、同様に測定した結果を比較例１として記載した。This foam is used in an automobile battery as shown in FIG.
When the temperature was lowered from 30 ° C. to 0 ° C., the time until the temperature of the internal battery solution became 0 ° C. was measured. The results are shown in Table 1. In addition, in Table 1, the same measurement result was described as Comparative Example 1 when the battery was left as it was without winding the SBR foam containing the microcapsules.
【００２７】[0027]
【表１】 [Table 1]
【００２８】この試験から明らかな通り、実施例１〜３
のものは３０℃から０℃への降温に長時間がかかり、良
好な調温機能を有する。従って、冬期のバッテリーの冷
却を防止して過冷却によるバッテリーの性能低下を防止
することができることがわかる。As apparent from this test, Examples 1 to 3
It takes a long time to lower the temperature from 30 ° C. to 0 ° C., and has a good temperature control function. Therefore, it can be understood that cooling of the battery in the winter season can be prevented, and deterioration of the battery performance due to overcooling can be prevented.
【００２９】[0029]
【発明の効果】以上詳述した通り、本発明によれば、各
種バッテリーの冬期における過冷却を有効に防止して、
その寿命を延長することができるバッテリー用保温材が
提供される。As described above in detail, according to the present invention, it is possible to effectively prevent supercooling of various batteries in winter,
A battery heat insulating material capable of extending its life is provided.
【図１】本発明のバッテリー用保温材の実施の形態を示
す斜視図である。FIG. 1 is a perspective view showing an embodiment of a battery heat insulating material of the present invention.
１ バッテリー用保温材 ２ バッテリー 1 Insulation material for battery 2 Battery
Claims (9)
るバッテリー用保温材。1. A battery heat insulating material comprising a base material in which heat storage particles are dispersed.
ル内に潜熱蓄熱剤が内包されたマイクロカプセルである
ことを特徴とするバッテリー用保温材。2. The heat insulating material for a battery according to claim 1, wherein the heat storage particles are microcapsules having a latent heat storage agent encapsulated in a shell.
固体の相変化を発生するものであることを特徴とするバ
ッテリー用保温材。3. The latent heat storage agent according to claim 2, wherein the latent heat storage agent is a liquid.
A heat insulating material for a battery, which generates a solid phase change.
にて発生することを特徴とするバッテリー用保温材。4. The method according to claim 3, wherein the phase change is from 6 to 35 ° C.
Insulation material for batteries characterized by being generated in.
て、基材がフォーム、合成皮革又は合成樹脂であること
を特徴とするバッテリー用保温材。5. The heat insulating material for a battery according to claim 1, wherein the base material is a foam, a synthetic leather, or a synthetic resin.
て、基材中の蓄熱性粒子の分散量が２０〜８０重量％で
あることを特徴とするバッテリー用保温材。6. The heat insulating material for a battery according to claim 1, wherein the amount of the heat storage particles dispersed in the base material is 20 to 80% by weight.
て、蓄熱性粒子の粒径が１〜５００μｍであることを特
徴とするバッテリー用保温材。7. The heat insulating material for a battery according to claim 1, wherein the heat storage particles have a particle size of 1 to 500 μm.
て、基材の厚さが２〜１００ｍｍであることを特徴とす
るバッテリー用保温材。8. The heat insulating material for a battery according to claim 1, wherein the base material has a thickness of 2 to 100 mm.
て、基材を袋状に成形してなることを特徴とするバッテ
リー用保温材。9. The heat insulating material for a battery according to claim 1, wherein the base material is formed in a bag shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000118121A JP2001307783A (en) | 2000-04-19 | 2000-04-19 | Thermal insulating material for battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000118121A JP2001307783A (en) | 2000-04-19 | 2000-04-19 | Thermal insulating material for battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001307783A true JP2001307783A (en) | 2001-11-02 |
Family
ID=18629319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000118121A Pending JP2001307783A (en) | 2000-04-19 | 2000-04-19 | Thermal insulating material for battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001307783A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008509519A (en) * | 2004-08-06 | 2008-03-27 | エルジー・ケム・リミテッド | Battery system with capsule containing phase change material in internal structure |
| JP2009140786A (en) * | 2007-12-07 | 2009-06-25 | Sekisui Chem Co Ltd | On-board battery pack |
| JP2013139867A (en) * | 2012-01-02 | 2013-07-18 | Masaru Hiyamizu | Vehicle interior and other heat insulation material |
| US8758925B2 (en) | 2004-08-06 | 2014-06-24 | Lg Chem, Ltd. | Battery system containing phase change material-containing capsules in interior configuration thereof |
| JP2018514052A (en) * | 2015-02-04 | 2018-05-31 | グローバル ウェブ ホライズンズ，リミティド ライアビリティ カンパニー | Systems, structures and materials for thermal management of electrochemical devices |
| JPWO2022249890A1 (en) * | 2021-05-25 | 2022-12-01 |
-
2000
- 2000-04-19 JP JP2000118121A patent/JP2001307783A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008509519A (en) * | 2004-08-06 | 2008-03-27 | エルジー・ケム・リミテッド | Battery system with capsule containing phase change material in internal structure |
| JP4805265B2 (en) * | 2004-08-06 | 2011-11-02 | エルジー・ケム・リミテッド | Battery system with capsule containing phase change material in internal structure |
| US8758925B2 (en) | 2004-08-06 | 2014-06-24 | Lg Chem, Ltd. | Battery system containing phase change material-containing capsules in interior configuration thereof |
| JP2009140786A (en) * | 2007-12-07 | 2009-06-25 | Sekisui Chem Co Ltd | On-board battery pack |
| JP2013139867A (en) * | 2012-01-02 | 2013-07-18 | Masaru Hiyamizu | Vehicle interior and other heat insulation material |
| JP2018514052A (en) * | 2015-02-04 | 2018-05-31 | グローバル ウェブ ホライズンズ，リミティド ライアビリティ カンパニー | Systems, structures and materials for thermal management of electrochemical devices |
| JPWO2022249890A1 (en) * | 2021-05-25 | 2022-12-01 | ||
| JP7388596B2 (en) | 2021-05-25 | 2023-11-29 | Dic株式会社 | secondary battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108288739B (en) | Thermal management module for cylindrical battery, preparation method of thermal management module and battery pack | |
| US7923112B2 (en) | Latent heat storage material and process for manufacture of the latent heat storage material | |
| US5755216A (en) | Building products incorporating phase change materials and method of making same | |
| US9843076B2 (en) | Energy cell temperature management | |
| CA2177450C (en) | Thermoplastic, moldable, non-exuding phase change materials | |
| TW201536844A (en) | Method for producing thermal expansion microsphere and the use thereof | |
| JPH09505931A (en) | Thermal management system enclosure for batteries | |
| KR101555662B1 (en) | Lithium secondary battery including phase change material | |
| JP6315480B2 (en) | Thermal storage polymer molding | |
| JP2009140786A (en) | On-board battery pack | |
| JP2001307783A (en) | Thermal insulating material for battery | |
| CA2349870A1 (en) | Use of pcms in heat sinks for electronic components | |
| US20190078006A1 (en) | Dimensionally stable phase change material and a continuous process for making same | |
| CN108598323B (en) | Power battery assembly box body for new energy automobile | |
| JP2005233106A (en) | Canister | |
| WO1995016175A1 (en) | Thermal storage apparatus | |
| KR100481282B1 (en) | Paint Composition Using a Phase Change Material | |
| EP1427792A1 (en) | Thermoconductive composition | |
| US20220315822A1 (en) | Composite phase-change materials with active supporting media for thermal energy storage applications | |
| JP2008215492A (en) | Vacuum heat insulation material | |
| CN107683318A (en) | Heated conveying medium and heated conveying mixed liquor and heated conveying method containing latent heat storage material | |
| JPH07188648A (en) | Heat storage composition | |
| JP2021059671A (en) | Composition for heat-radiation molding | |
| JP2004197021A (en) | Heat accumulation medium | |
| KR102592574B1 (en) | Coolant having phase change material for electric vehicle and method of fabricating the same |