JPH08138761A - Power storage type heat pump system - Google Patents
Power storage type heat pump systemInfo
- Publication number
- JPH08138761A JPH08138761A JP27628194A JP27628194A JPH08138761A JP H08138761 A JPH08138761 A JP H08138761A JP 27628194 A JP27628194 A JP 27628194A JP 27628194 A JP27628194 A JP 27628194A JP H08138761 A JPH08138761 A JP H08138761A
- Authority
- JP
- Japan
- Prior art keywords
- secondary battery
- heat
- heat pump
- temperature
- medium
- 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.)
- Withdrawn
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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、Ｎａを利用した二次
電池とヒートポンプを組み合せた電力貯蔵型ヒートポン
プシステムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power storage heat pump system in which a secondary battery using Na and a heat pump are combined.
【０００２】[0002]
【従来の技術】電力負荷平準化のため夜間電力を充放電
可能な二次電池に貯蔵して昼間使用するシステムは、い
ままで数多く発表されており、今後もそのニーズは増え
てくるものと予想されている。この二次電池で貯蔵した
夜間電力をヒートポンプに使用するというシステムもそ
の一つである。2. Description of the Related Art A number of systems have been announced so far that nighttime electric power is stored in a rechargeable battery that can be charged and discharged in order to equalize the electric power load and used during the daytime. Has been done. One of them is a system that uses the nighttime electricity stored in this secondary battery for a heat pump.
【０００３】本発明で対象としているＮａを使用する二
次電池はＮａイオンのみを透過させ得る固体電解質とし
てのβ”アルミナ膜を中心に、負極に溶解したＮａ，正
極に溶解したＳ，ＡｌＣｌ3 ＋ＮａＣｌ＋ＳＣｌ4 の溶
融塩，あるいはＡｌＣｌ3 ＋ＮａＣｌ＋ＳｅＣｌ4 の溶
融塩が用いられる。これらの使用する媒体の特性上、電
池の作動温度は媒体の種類により異なるが、２００〜４
００℃の高温度でしかも安定した出力を得るためには、
最適温度の±１０℃程度の範囲とする必要がある。The secondary battery using Na, which is the object of the present invention, is mainly composed of a β ″ alumina film as a solid electrolyte capable of permeating only Na ions, with Na dissolved in the negative electrode and S, AlCl 3 dissolved in the positive electrode. The molten salt of + NaCl + SCl 4 or the molten salt of AlCl 3 + NaCl + SeCl 4 is used.
In order to obtain a stable output at a high temperature of 00 ° C,
It is necessary to set the temperature within the range of the optimum temperature ± 10 ° C.
【０００４】従来、本電池を常温から所定の温度まで昇
温する場合には、電気ヒータが用いられているが、かな
りの時間と電力を要していた。また、この種の二次電池
は多数の電池セルの集合体からなっており、このセル群
の周りに電気ヒータを設置しているため温度分布があっ
た。即ち、本電池の反応は充電時は吸熱，放電時は発熱
で、またこれに電気抵抗による発熱，ヒートロス，ヒー
タによる加熱があるため、所定温度の±１０℃程度にコ
ントロールすることは極めて困難であった。Conventionally, an electric heater has been used to raise the temperature of the battery from room temperature to a predetermined temperature, but it takes a considerable amount of time and power. Further, this type of secondary battery is composed of an assembly of a large number of battery cells, and there is a temperature distribution because an electric heater is installed around this cell group. That is, since the reaction of this battery is endothermic during charging and exothermic during discharging, and there is heat generation due to electric resistance, heat loss, and heating by a heater, it is extremely difficult to control the temperature to about ± 10 ° C. there were.
【０００５】例えば、実験結果の図４に示すように、Ｎ
ａ／ＡｌＣｌ3 ＋ＮａＣｌ＋ＳＣｌ4 溶融塩の二次電池
では、温度が上昇すると充放電のエネルギー効率（取り
出せる電力／入力する電力）は高くなるが、媒体１Ｋｇ
が蓄積できるエネルギーの密度は低下するため、この系
の作動温度は２３０℃±１０℃が適切と考えられてい
る。For example, as shown in the experimental result of FIG.
In the secondary battery of a / AlCl 3 + NaCl + SCl 4 molten salt, the charge / discharge energy efficiency (power that can be extracted / power that is input) increases as the temperature rises, but the medium 1 kg
Since the density of energy that can be stored in the system decreases, it is considered appropriate that the operating temperature of this system is 230 ° C ± 10 ° C.
【０００６】[0006]
【発明が解決しようとする課題】前述の通り、Ｎａを利
用した二次電池では以下のような課題があった。 (1) 電池を常温から所定の温度（２００〜４００℃）に
まで立ち上がるのに長時間を要していた。As described above, the secondary battery using Na has the following problems. (1) It took a long time for the battery to rise from room temperature to a predetermined temperature (200 to 400 ° C.).
【０００７】(2) 電池内部では温度分布が存在するた
め、発電効率が必ずしも最適とはなっていなかった。 (3) 電池での反応及び抵抗による発熱は温度上昇を防止
するため、外気で冷却していた。即ち、この熱は外部へ
無駄にすてらていた。(2) Since there is a temperature distribution inside the battery, the power generation efficiency was not always optimum. (3) The reaction in the battery and the heat generated by the resistance were cooled by the outside air to prevent the temperature from rising. That is, this heat was wasted to the outside.
【０００８】この発明はこうした事情を考慮してなされ
たもので、Ｎａを利用した二次電池とヒートポンプを組
み合せることにより、夜間電力を利用できるとともに、
ヒートポンプを利用して常温からの昇温時間を短縮，電
池での発熱を有効に利用し、電池内部出温度を均一化し
える電力貯蔵型ヒートポンプシステムを提供することを
目的とする。The present invention has been made in consideration of the above circumstances. By combining a secondary battery using Na and a heat pump, night power can be used, and
An object of the present invention is to provide a power storage type heat pump system that can shorten the temperature rise time from room temperature by using a heat pump, effectively utilize the heat generated by the battery, and make the temperature inside the battery uniform.
【０００９】[0009]
【課題を解決するための手段】前記課題を解決するため
に、二次電池とヒートポンプを組み合せてヒートポンプ
で発生する熱を空気等の媒体を通して、二次電池を常温
から速やかに所定の温度まで昇温させる。また、この媒
体を二次電池内に流通させることにより、電池内部の温
度を均一化させる。この媒体は、電池に加熱が必要な時
にはヒートポンプで発生した熱を伝え、一方電池での発
熱が多く除熱が必要な時には電池内の熱をヒートポンプ
側に伝え熱源として利用する。前述のようにＮａを利用
した二次電池は昼間の放電時には発熱による温度上昇を
防止するため、除熱する必要があるが、この発明による
と除去した熱を有効利用できるようになる。In order to solve the above problems, a secondary battery and a heat pump are combined and the heat generated by the heat pump is quickly raised from room temperature to a predetermined temperature through a medium such as air. Let it warm. Further, by circulating this medium in the secondary battery, the temperature inside the battery is made uniform. This medium transfers the heat generated by the heat pump when the battery needs to be heated, and transfers the heat inside the battery to the heat pump side when the battery requires a lot of heat generation and needs to be removed. As described above, the secondary battery using Na needs to be heat-removed in order to prevent temperature rise due to heat generation during daytime discharge, but according to the present invention, the removed heat can be effectively used.
【００１０】即ち、この発明は、Ｎａを利用した二次電
池とヒートポンプを組み合せた電力貯蔵型ヒートポンプ
システムにおいて、二次電池に加熱が必要な場合にはヒ
ートポンプで発生させた高温度の熱を媒体を介して二次
電池に伝える一方、二次電池に除熱が必要な場合には熱
を前記媒体を介してヒートポンプ側に伝えることを特徴
とする電力貯蔵型ヒートポンプシステムである。That is, the present invention is a power storage heat pump system in which a secondary battery using Na and a heat pump are combined, and when the secondary battery needs to be heated, the high temperature heat generated by the heat pump is used as a medium. The heat storage heat pump system is characterized in that the heat is transmitted to the secondary battery via the medium and the heat is transmitted to the heat pump side via the medium when the secondary battery needs to remove heat.
【００１１】[0011]
【作用】Ｎａを用いた二次電池とヒートポンプを組み合
せて両者間に空気等の熱媒体を循環させるシステムにお
いて、二次電池側が加熱を要する際にはヒートポンプか
らの熱を空気等の媒体を介して二次電池側に送ることに
より、迅速な昇温及び電池内部温度の均一化が可能にな
る。In a system in which a secondary battery using Na and a heat pump are combined and a heat medium such as air is circulated between the two, when heat is required on the secondary battery side, the heat from the heat pump is passed through a medium such as air. By sending the temperature to the secondary battery side, it is possible to quickly raise the temperature and make the internal temperature of the battery uniform.
【００１２】一方、二次電池側が除熱を要する場合に
は、この熱を空気等の媒体を介してヒートポンプ側へ送
ることにより、熱を有効利用できると共に、電池内部温
度の均一化が可能になる。On the other hand, when the secondary battery side needs to remove heat, by sending this heat to the heat pump side via a medium such as air, the heat can be effectively used and the temperature inside the battery can be made uniform. Become.
【００１３】[0013]
【実施例】以下、この発明の一実施例を図１及び図２を
参照して説明する。ここで、図１は電力貯蔵型ヒートポ
ンプシステムの説明図、図２はこのシステムに使用され
る二次電池の上面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. Here, FIG. 1 is an explanatory view of a power storage heat pump system, and FIG. 2 is a top view of a secondary battery used in this system.
【００１４】図中の符号１は二次電池システムであり、
該システムに配置された二次電池２にヒートポンプ３が
組み合わされている。前記ヒートポンプ３は、ループ状
に配置されたコンプレッサ４，凝縮器５，膨脹弁６、及
び蒸発器７から構成されている。Reference numeral 1 in the drawing is a secondary battery system,
The heat pump 3 is combined with the secondary battery 2 arranged in the system. The heat pump 3 comprises a compressor 4, a condenser 5, an expansion valve 6 and an evaporator 7 arranged in a loop.
【００１５】前記二次電池２は、図２に示すように、容
量１００〜１０００Ｗｈの小型の単セル21を多数直列あ
るいは並列に設置し、その単セル群の周りに断熱材22を
設置し、その周りを金属容器23で囲み、更に金属容器23
にヒートポンプ３からの空気等の媒体の導入部24と出口
部25が設置された構成となっている。一方、従来の二次
電池は、図２の二次電池と単セル群，断熱材，金属容器
は同じであるが、図３に示すように電気ヒータ26を単セ
ル群の周りに配置した構成となっている。図２の二次電
池の場合、空気等の媒体により二次電池の構成要素であ
る単セル21を加熱，冷却できるため、電気ヒータ26は必
ずしも必要としない。但し、二次電池の加熱を更に促進
させるため、従来と同様、電気ヒータ26を設置すること
も考えられる。この様に空気等の媒体により二次電池２
を加熱すると、従来のように電気ヒータ26のみによる場
合と比べて二次電池内部の温度分布を少なくなくし、均
一化できる特徴がある。As shown in FIG. 2, the secondary battery 2 has a large number of small single cells 21 having a capacity of 100 to 1000 Wh, which are installed in series or in parallel, and a heat insulating material 22 is installed around the single cell group. Surround it with a metal container 23.
An inlet portion 24 and an outlet portion 25 for introducing a medium such as air from the heat pump 3 are installed in the. On the other hand, the conventional secondary battery has the same unit cell group, heat insulating material, and metal container as those of the secondary battery shown in FIG. 2, but the electric heater 26 is arranged around the unit cell group as shown in FIG. Has become. In the case of the secondary battery of FIG. 2, the electric heater 26 is not always necessary because the single cell 21, which is a constituent element of the secondary battery, can be heated and cooled by a medium such as air. However, in order to further accelerate the heating of the secondary battery, it is possible to install the electric heater 26 as in the conventional case. In this way, the secondary battery 2
When heated, the temperature distribution inside the secondary battery can be made smaller and uniform compared to the case where only the electric heater 26 is used as in the conventional case.
【００１６】前記二次電池２には、夜間必要に応じて安
価な夜間電力８によりヒートポンプ３を作動させると共
に、二次電池２への電力貯蔵を行うようになっている。
前記二次電池２には、温度コントローラ９付きの電気ヒ
ータ10が接続されている。前記二次電池２には、温度コ
ントローラ11付きの流量調節弁12を介して熱交換器13が
接続されている。The secondary battery 2 is adapted to operate the heat pump 3 at night by using inexpensive nighttime electric power 8 and store electric power in the secondary battery 2.
An electric heater 10 with a temperature controller 9 is connected to the secondary battery 2. A heat exchanger 13 is connected to the secondary battery 2 via a flow rate control valve 12 with a temperature controller 11.
【００１７】前記熱交換器13はまた、前記凝縮器５，電
気ヒータ10，及び熱負荷14に夫々接続されている。本シ
ステムにおいては、ヒートポンプ３から取り出した熱の
一部を熱交換器13を介して空気等の媒体15を加熱し、こ
れを二次電池２内に流通させるようになっている。な
お、図中の符号16はヒートポンプ用熱媒体、符号17は排
熱源を示す。The heat exchanger 13 is also connected to the condenser 5, the electric heater 10, and the heat load 14, respectively. In this system, a part of the heat extracted from the heat pump 3 is heated through a heat exchanger 13 to a medium 15 such as air, and this is circulated in the secondary battery 2. In the figure, reference numeral 16 indicates a heat medium for heat pump, and reference numeral 17 indicates an exhaust heat source.
【００１８】こうした構成の電力貯蔵型ヒートポンプシ
ステムの作用は、次の通りである。前記ヒートポンプ３
では、コンプレッサ４等により構成されるループ内をフ
ロン等の媒体が蒸発，凝縮を繰り返しながら循環してい
る。このうち、蒸発器７では、排熱源17からの熱により
フロン等の媒体が蒸発する。この時の排熱源17の温度は
種々異なるが、例えばそのままでは熱源として使用しに
くい８０℃程度である。The operation of the power storage type heat pump system having such a configuration is as follows. The heat pump 3
In, a medium such as chlorofluorocarbon is circulated while repeating evaporation and condensation in a loop constituted by the compressor 4 and the like. Of these, in the evaporator 7, a medium such as chlorofluorocarbon is evaporated by heat from the exhaust heat source 17. The temperature of the exhaust heat source 17 at this time is variously different, but is about 80 ° C., which is difficult to use as a heat source as it is, for example.
【００１９】蒸発器７で蒸発したフロン等の媒体は、コ
ンプレッサ４で圧縮され、凝縮器５で凝縮する。この時
の凝縮温度は、熱負荷14の使用目的により種々異なる
が、例えば２００℃程度である。The medium such as CFC evaporated in the evaporator 7 is compressed by the compressor 4 and condensed by the condenser 5. The condensing temperature at this time is, for example, about 200 ° C., although it varies depending on the purpose of using the heat load 14.
【００２０】この発明は二次電池２とヒートポンプ３を
組み合わせたもので、夜間は必要に応じて安価な夜間電
力８によりヒートポンプ３を作動させると共に、二次電
池２への電力貯蔵を行う。一方、昼間は外部からの夜間
電力８の供給を停止し、二次電池２に貯蔵した電力によ
りコンプレッサ４を作動させる。The present invention is a combination of the secondary battery 2 and the heat pump 3. At night, the heat pump 3 is operated by the inexpensive nighttime electric power 8 as necessary and the electric power is stored in the secondary battery 2. On the other hand, during the daytime, the supply of nighttime electric power 8 from the outside is stopped, and the compressor 4 is operated by the electric power stored in the secondary battery 2.
【００２１】ヒートポンプ３から取り出した熱の一部
を、熱交換器13を介して空気等の媒体15を加熱し、これ
を二次電池２内に流通させる。この時、媒体15の温度が
二次電池加熱用として低い場合には、別に設置した温度
コントローラ７付きの電気ヒータ10で加熱することもで
きる（この電気ヒータ10用の電源は、外部又は二次電池
２からとることができる）。所定の温度に設定された媒
体15は、二次電池２内に入る。A part of the heat extracted from the heat pump 3 is heated through a heat exchanger 13 into a medium 15 such as air, which is circulated in the secondary battery 2. At this time, if the temperature of the medium 15 is low for heating the secondary battery, it can be heated by an electric heater 10 with a temperature controller 7 installed separately (the power source for this electric heater 10 is external or secondary). It can be taken from battery 2). The medium 15 set to a predetermined temperature enters the secondary battery 2.
【００２２】二次電池２を出た空気等の媒体15は再度熱
交換器13に送られるが、必要に応じその途中で二次電池
内の温度を一定にコントロールするため流量調整弁12を
設置することもできる。The medium 15 such as air that has exited the secondary battery 2 is sent to the heat exchanger 13 again, but if necessary, a flow rate adjusting valve 12 is installed to control the temperature inside the secondary battery to a constant value on the way. You can also do it.
【００２３】こうした構成のシステムにおいて、例えば
作動温度が２３０℃程度であるＮａ／ＡｌＣｌ3 ＋Ｎａ
Ｃｌ＋ＳＣｌ4 からなる二次電池２を常温から立ち上が
る場合には、二次電池２に入る媒体15の温度を２３０〜
２５０℃程度に設定し、流量調節弁12の開きを最大にし
て昇温速度を速める。In the system having such a structure, for example, Na / AlCl 3 + Na whose operating temperature is about 230 ° C.
When the secondary battery 2 made of Cl + SCl 4 is started from room temperature, the temperature of the medium 15 entering the secondary battery 2 is set to 230 to
The temperature is set to about 250 ° C., the opening of the flow rate control valve 12 is maximized, and the temperature rising rate is increased.
【００２４】また、通常運転で加熱が必要な場合には流
量を絞る。一方、通常運転で除熱が必要な場合には電気
ヒータ10を停止し、流量調節弁12で空気等の媒体15を制
御しながら二次電池２内の温度を一定にする。When heating is required in normal operation, the flow rate is reduced. On the other hand, when heat removal is required in normal operation, the electric heater 10 is stopped and the temperature inside the secondary battery 2 is kept constant while controlling the medium 15 such as air by the flow rate control valve 12.
【００２５】ヒートポンプ３の運転温度は、フロン等の
媒体の物性あるいはシステムの効率上２００〜２２０℃
程度が上限とされており、二次電池の除熱に際し空気等
の媒体15の温度を下げる必要はない。The operating temperature of the heat pump 3 is 200 to 220 ° C. depending on the physical properties of the medium such as CFC or the efficiency of the system.
The upper limit is the degree, and it is not necessary to lower the temperature of the medium 15 such as air when removing heat from the secondary battery.
【００２６】なお、二次電池内の単セルは、電気が流通
する部分があるため、流す媒体15は絶縁物とする必要が
ある。また、単セル破損時の安全対策を考えると、媒体
15としては空気，窒素等の気体が望ましい。更に、ヒー
トポンプ用の熱媒体16に空気を使用する場合には、それ
をそのまま二次電池２に送ることもできるため、この場
合は熱交換器13は不要となる。Since the single cell in the secondary battery has a portion through which electricity flows, the medium 15 to flow must be an insulator. Also, considering the safety measures when a single cell is damaged,
A gas such as air or nitrogen is desirable as 15. Further, when air is used as the heat medium 16 for the heat pump, it can be sent to the secondary battery 2 as it is, and in this case, the heat exchanger 13 is unnecessary.
【００２７】上述した実施例によれば、Ｎａを利用した
二次電池２とヒートポンプ３を組み合せて昼間は二次電
池２に貯蔵した電力により、ヒートポンプ３内のコンプ
レッサ４を稼働させるだけでなく、ヒートポンプ３で発
生した熱と二次電池２で発生した熱をお互いに利用する
ことにより、次の効果を有する。According to the above-described embodiment, not only the compressor 4 in the heat pump 3 is operated by the electric power stored in the secondary battery 2 by combining the secondary battery 2 and the heat pump 3 using Na in the daytime. By mutually utilizing the heat generated by the heat pump 3 and the heat generated by the secondary battery 2, the following effects can be obtained.
【００２８】(1) 所定の温度に加熱した媒体を二次電池
２内に導入することにより、二次電池２を速やかに、か
つ温度分布を少なく均一に昇温させることができる。ま
た、ヒートポンプ３の効率（取り出せる熱量／入力する
電力量）は通常３〜４といわれており、直接電気ヒータ
で加熱する場合よりも少ない電力で昇温させることがで
きる。 (2) 二次電池２内で反応のため除熱が必要な場合には、
その除熱した熱をヒートポンプ３側に送り有効に利用す
ることができる。(1) By introducing a medium heated to a predetermined temperature into the secondary battery 2, the secondary battery 2 can be heated quickly and uniformly with a small temperature distribution. The efficiency of the heat pump 3 (the amount of heat that can be taken out / the amount of electric power that is input) is usually said to be 3 to 4, and it is possible to raise the temperature with less electric power than when directly heating with an electric heater. (2) When heat removal is required for the reaction in the secondary battery 2,
The removed heat can be sent to the heat pump 3 side and used effectively.
【００２９】[0029]
【発明の効果】以上詳述したようにこの発明によれば、
Ｎａを利用した二次電池とヒートポンプを組み合わせる
ことにより、夜間電力を利用できるとともに、ヒートポ
ンプを利用して常温からの昇温時間を短縮，電池での発
熱を有効に利用し、電池内部出温度を均一化しえる電力
貯蔵型ヒートポンプシステムを提供できる。As described above in detail, according to the present invention,
By combining a secondary battery using Na and a heat pump, it is possible to use nighttime electric power, use the heat pump to reduce the temperature rise time from room temperature, effectively use the heat generated by the battery, and improve the battery internal temperature. A heat storage type heat pump system that can be made uniform can be provided.
【図１】この発明の一実施例に係る電力貯蔵型ヒートポ
ンプシステムの説明図。FIG. 1 is an explanatory diagram of a power storage heat pump system according to an embodiment of the present invention.
【図２】図１のヒートポンプシステムに使用される二次
電池の上面図。FIG. 2 is a top view of a secondary battery used in the heat pump system of FIG.
【図３】従来の二次電池の上面図。FIG. 3 is a top view of a conventional secondary battery.
【図４】Ｎａ／ＡｌＣｌ3 ＋ＮａＣｌ＋ＳＣｌ4 溶融塩
の二次電池によるエネルギー密度とエネルギー効率の温
度依存性の実験結果を示す特性図。FIG. 4 is a characteristic diagram showing an experimental result of temperature dependence of energy density and energy efficiency of a secondary battery of Na / AlCl 3 + NaCl + SCl 4 molten salt.
２…二次電池、 ３…ヒートポンプ、
４…コンプレッサ、５…凝縮器、 ６…膨脹
弁、 ７…蒸発器、８…夜間電力、
９，11…温度コントローラ、12…流量調節弁、13…
熱交換器、 14…熱負荷、 15…
媒体、16…熱媒体、 17…排熱源、
21…単セル、22…断熱材、 23…金属
容器、 24…導入部、25…出口部。2 ... secondary battery, 3 ... heat pump,
4 ... Compressor, 5 ... Condenser, 6 ... Expansion valve, 7 ... Evaporator, 8 ... Night power,
9, 11 ... Temperature controller, 12 ... Flow control valve, 13 ...
Heat exchanger, 14 ... Heat load, 15 ...
Medium, 16 ... Heat medium, 17 ... Exhaust heat source,
21 ... Single cell, 22 ... Insulating material, 23 ... Metal container, 24 ... Introduction part, 25 ... Exit part.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 八島 吉見 神奈川県横浜市金沢区幸浦一丁目８番地１ 三菱重工業株式会社基盤技術研究所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshimi Yashima 1-8-1, Koura, Kanazawa-ku, Yokohama-shi, Kanagawa Mitsubishi Heavy Industries, Ltd.
Claims (1)
を組み合せた電力貯蔵型ヒートポンプシステムにおい
て、二次電池に加熱が必要な場合にはヒートポンプで発
生させた高温度の熱を媒体を介して二次電池に伝える一
方、二次電池に除熱が必要な場合には熱を前記媒体を介
してヒートポンプ側に伝えることを特徴とする電力貯蔵
型ヒートポンプシステム。1. In a power storage heat pump system in which a secondary battery using Na and a heat pump are combined, when the secondary battery needs to be heated, high-temperature heat generated by the heat pump is transferred to a secondary battery via a medium. A power storage heat pump system, which transfers heat to a secondary battery and transfers heat to the heat pump side through the medium when heat removal is required for the secondary battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27628194A JPH08138761A (en) | 1994-11-10 | 1994-11-10 | Power storage type heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27628194A JPH08138761A (en) | 1994-11-10 | 1994-11-10 | Power storage type heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08138761A true JPH08138761A (en) | 1996-05-31 |
Family
ID=17567264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27628194A Withdrawn JPH08138761A (en) | 1994-11-10 | 1994-11-10 | Power storage type heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08138761A (en) |
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