JPS62281738A - Power storage apparatus on ocean - Google Patents
Power storage apparatus on oceanInfo
- Publication number
- JPS62281738A JPS62281738A JP12198586A JP12198586A JPS62281738A JP S62281738 A JPS62281738 A JP S62281738A JP 12198586 A JP12198586 A JP 12198586A JP 12198586 A JP12198586 A JP 12198586A JP S62281738 A JPS62281738 A JP S62281738A
- Authority
- JP
- Japan
- Prior art keywords
- power storage
- floating structure
- secondary battery
- power
- battery unit
- 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
- 238000007667 floating Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000010248 power generation Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- ZRXYMHTYEQQBLN-UHFFFAOYSA-N [Br].[Zn] Chemical compound [Br].[Zn] ZRXYMHTYEQQBLN-UHFFFAOYSA-N 0.000 description 1
- ICGLOTCMOYCOTB-UHFFFAOYSA-N [Cl].[Zn] Chemical compound [Cl].[Zn] ICGLOTCMOYCOTB-UHFFFAOYSA-N 0.000 description 1
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- LWRYTNDOEJYQME-UHFFFAOYSA-N lithium;sulfanylideneiron Chemical compound [Li].[Fe]=S LWRYTNDOEJYQME-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
３、発明の詳細な説明
〔産業上の利用分野〕
本発明は、電力貯蔵用二次電池ユニット、制御装置など
を浮揚可能な構造体に掬えｆ寸け、一つの巨大なパッケ
ージに工場内で製作・組立し、設置場所に移送するよう
にした洋上電力貯蔵装置に関するものである。Detailed Description of the Invention 3. Detailed Description of the Invention [Industrial Field of Application] The present invention provides a structure in which a secondary battery unit for power storage, a control device, etc. are scooped into a floating structure, The project concerns an offshore power storage system that is manufactured and assembled in one huge package in a factory and then transported to the installation site.
Ｃ従来の技術〕
従来、電力エネルギーは貯蔵が困難で、需給の同時性が
特徴と言われてきた。このため最大需要に応した発電設
備を確保しておき、需要の変化Ｑこ応した発電量の調節
が行われている。C. Conventional Technology] Conventionally, it has been said that electrical energy is difficult to store and is characterized by simultaneous supply and demand. For this reason, power generation equipment that meets the maximum demand is secured, and the amount of power generation is adjusted in response to changes in demand.
また石油資源の減少、価格の亮騰に伴い、負荷変化追従
性に乏しく、低負荷では発電コストの高い原子力発電や
石炭火力発電の発電設備の中に占める比重が増してきて
いる。一方では、生活水準の向上、産業構造の変化に伴
い電力需要の変動が大きくなり、夏期昼間ピーク負荷に
対する深夜最低負荷は２０％近くまで落ちこみ、発電設
備の平均負荷率が年々低下してきている。In addition, as petroleum resources decrease and prices soar, petroleum has become increasingly important in nuclear and coal-fired power generation facilities, which have poor ability to follow changes in load and have high power generation costs at low loads. On the other hand, with improvements in living standards and changes in industrial structure, fluctuations in electricity demand have increased, and the minimum late-night load compared to the summer daytime peak load has fallen to nearly 20%, and the average load factor of power generation facilities has been decreasing year by year.
このため電力を他の玉名ルギー形態で貯蔵し、発電所に
対する負荷を平準化する必要が増大している。現在、電
力エネルギー貯蔵方法としては陽水発電が実用化されて
いる。しかしながら、これは電力消費地より遠い山間に
設けられる場合が多く、長距離送電設備を要し、多大の
送電損失を伴うとともに、環境問題で立地に制約がある
。このため、他の電力貯蔵方式の必要性が高まっており
、種々の方式が開発されているが、中でも二次電池によ
る電力貯蔵システムが実用化されようとしている。従来
の二次電池による電力貯蔵設備は、電力貯蔵用二次電池
ユニット、直交変換装置およびこれらの制？３１ ｇ
１ｌｌｆから成り立っている。Therefore, there is an increasing need to store electricity in other forms of power generation to level the load on power plants. Currently, solar power generation is being put into practical use as a method of storing electrical energy. However, these systems are often installed in mountains far away from power consumption areas, requiring long-distance power transmission equipment, resulting in large power transmission losses, and having location constraints due to environmental issues. For this reason, there is an increasing need for other power storage systems, and various systems have been developed, among which power storage systems using secondary batteries are about to be put into practical use. Conventional power storage equipment using secondary batteries consists of a secondary battery unit for power storage, an orthogonal conversion device, and a control system for these devices. 31g
It consists of 1llf.
従来、この電力貯蔵設備の建設に当たっては、その建設
地点の土木工事から始まり、二次電池ユニット建屋の建
設、直交変換装置建屋の建設、制′４′ｎ装置建屋の建
設と、これら機器の据付を土木建屋工事の進行にあわせ
実施していた。Conventionally, the construction of this power storage facility started with civil engineering work at the construction site, followed by construction of a secondary battery unit building, construction of an orthogonal conversion equipment building, construction of a control equipment building, and installation of these equipment. This was carried out as civil engineering building construction progressed.
〔発明が解決しようとする問題点〕
しかしながら、現地据付条件の悪い現場においては、こ
れら工事に長期間を要し、電力貯蔵システム建設価格に
大きな影響を与え、また構成機器を各要素毎に据付時期
に合わせ、輸送・搬入することが肝要で、これに伴う輸
送費も嵩むことになる。またこの電力貯蔵設備は、電力
大消費地に設置することが送１を損失低減のため好まし
いが、電力大消費地は建設適地が乏しく、また建設用地
が高価で建設価格に大きな影響を与える。さらにこの電
力貯蔵設備に用いられる二次電池ユニー／ トには、大
量の化学物質が使用されており、人口の密集する電力大
消費地に設置することは好ましくな ゛い。[Problems to be solved by the invention] However, at sites with poor on-site installation conditions, these works require a long period of time, which has a large impact on the construction price of the power storage system, and it is difficult to install each component separately. It is important to transport and bring in the goods in a timely manner, which also increases transportation costs. Furthermore, it is preferable to install this power storage facility in a large power consumption area in order to reduce transmission losses, but in large power consumption areas there is a scarcity of suitable construction sites, and the construction land is expensive, which greatly affects the construction price. Furthermore, the secondary battery unit used in this power storage equipment uses a large amount of chemical substances, so it is not desirable to install it in a densely populated area that consumes a lot of electricity.
さらにこの電力貯蔵設備に用いられる二次電池は、単位
重量当りの貯Ｒ電力量（エネルギー密度）が、たとえば
鉛蓄電池で約２０ＫＷＨ／ｌ、レドックスフロー形電池
で１０ＫＷ）ｌ／ｌ、最も高いナトリウム−硫黄型電池
でも約８０ＫＷＨ／ｌと小さいため、総重量が太き（強
固な基礎および建屋にする必要があるので、建設価格に
大きな影響を与えることになる。Furthermore, the secondary batteries used in this power storage equipment have a storage R power amount per unit weight (energy density) of about 20 KWH/l for lead-acid batteries, 10 KW for redox flow batteries, and the highest sodium chloride battery. - Even sulfur type batteries are small at about 80 KWH/l, so the total weight is large (since the foundation and building need to be strong, this will have a big impact on the construction price).
本発明は上記の問題を存利に解決するためになされたも
ので、電力貯蔵用二次電池ユニット、制御装置、必要に
応して直交度ＩＡ装置または／およびバラストタンクを
浮揚構造体に搭載することにより、建設コストおよび送
電損失を大幅に低減することができる洋上電力貯蔵装置
の提供を目的とするものである。The present invention has been made to effectively solve the above problems, and includes a secondary battery unit for power storage, a control device, and, if necessary, an orthogonality IA device and/or a ballast tank mounted on a floating structure. The purpose of the present invention is to provide an offshore power storage device that can significantly reduce construction costs and power transmission losses.
〔問題点を解決するための手段および作用〕本願の第１
の発明の洋上電力貯蔵装置は、浮揚構造体に、電力貯蔵
用二次電池ユニットを含む装置を搭載したことを特徴と
している。第１の発明において、浮揚構造体に制御装置
を搭載する場合と、搭載しない場合とがある。[Means and effects for solving the problem] No. 1 of the present application
The offshore power storage device according to the invention is characterized in that a device including a secondary battery unit for power storage is mounted on a floating structure. In the first invention, there are cases where the control device is mounted on the floating structure and cases where it is not mounted.
また本願の第２の発明の洋上電力貯蔵装置は、浮揚構造
体に、電力貯蔵用二次電池ユニットと、直交変換装置と
、これらの制御装置とを含む装置を搭載したこ、とを特
徴としている。Further, the offshore power storage device according to the second invention of the present application is characterized in that a device including a secondary battery unit for power storage, an orthogonal conversion device, and a control device for these is mounted on the floating structure. There is.
一般に、電力系統の電力送電は三和交流送電方弐が採用
されており、需要者には交流送電される。Generally, the Sanwa AC power transmission method is adopted for power transmission in the power system, and AC power is transmitted to consumers.
電力を貯蔵する場合は、したがって変ｌＡ装置を介して
二次電池が接続される。第２の発明は、このようなケー
スに適用される。When storing electric power, a secondary battery is therefore connected via a variable 1A device. The second invention is applied to such a case.
しかし近年、交流発電機で発生した電力を、第１の変換
装置で直流に変換して送電した後、第２の変換装置で交
流に変換して需要者に送電する直流送電方式が、同一電
圧でも交流電圧最大値は１／１ｇであり絶縁が容易、交
流電圧特有の静電容量損失や誘電損失がなく、安定度面
で限界がない、両系統の周波数が異なっても直接連係で
きるなどの利点があるために、開発されつつある。第１
の発明はこのようなケースに適用される。However, in recent years, the DC power transmission system, in which the power generated by an AC generator is converted to DC using a first converter and transmitted to AC, then converted to AC using a second converter and then transmitted to the consumer, However, the maximum value of AC voltage is 1/1 g, so insulation is easy, there is no capacitance loss or dielectric loss peculiar to AC voltage, there is no limit in terms of stability, and direct linkage is possible even if the frequencies of both systems are different. It is being developed because of its advantages. 1st
The invention is applicable to such cases.
また本願の第３の発明の洋上電力貯蔵装置は、浮揚構造
体に、電力貯蔵用二次電池ユニットと、制御装置と、バ
ラストタンクとを含む装置を搭載したことを特徴として
いる。Further, an offshore power storage device according to a third invention of the present application is characterized in that a device including a secondary battery unit for power storage, a control device, and a ballast tank is mounted on a floating structure.
さらに本願の第４の発明の洋上電力貯蔵装置は、浮揚構
造体に、電力貯蔵用二次電池ユニットと、直交変換装置
と、これらの制御装置と、バラストタンクとを含む装置
を搭載したことを特徴としている。Furthermore, the offshore power storage device of the fourth invention of the present application is provided with a device including a secondary battery unit for power storage, an orthogonal conversion device, a control device for these, and a ballast tank mounted on the floating structure. It is a feature.
このように第３の発明は第１の発明にパラストタンクを
、第４の発明は第２の発明にバラストタンクを付加した
ものであり、各装置を搭載した浮揚構造体を目的地に移
送した後、水、砂利などのバラストをバラストタンク内
に積載して、浮揚構造体の底部を海底に接触させるか、
または浮揚構造体の底部が海面と海底との間に位置する
ようにする。In this way, the third invention adds a ballast tank to the first invention, and the fourth invention adds a ballast tank to the second invention, and the floating structure carrying each device is transported to the destination. After that, ballast such as water and gravel is loaded into the ballast tank and the bottom of the floating structure is brought into contact with the seabed, or
or the bottom of the floating structure is located between the sea surface and the sea bed.
浮揚構造体を目的地（予定地）へ移送する方法は、他の
船で曳航する場合、押す場合（拝読）、潮流や風を利用
する場合など適宜、選択・使用する。また目的地へ移送
した後は、一点係留、多点係留などの方法で固定する。The method of transporting the floating structure to its destination (scheduled location) is selected and used as appropriate, such as towing it with another ship, pushing it (reading), or using currents or wind. After being transported to the destination, it is fixed using methods such as single-point mooring or multi-point mooring.
また本発明の装置における電力貯蔵用二次電池としては
、鉛蓄電池、ナトリウム−イオウ電池、亜鉛−塩素電池
、亜鉛−臭素電池、レドックスフロー形電池、リチウム
−硫化鉄電池などを挙げることができる。Further, examples of the secondary battery for power storage in the device of the present invention include a lead acid battery, a sodium-sulfur battery, a zinc-chlorine battery, a zinc-bromine battery, a redox flow battery, a lithium-iron sulfide battery, and the like.
以下、本発明の好適な実施例を図面を参照して例示的に
詳しく説明する。ただしこの実施例に示されている構成
機器の形状、相対配置などは、本発明の範囲をそれらの
みに限定する趣旨のものではなく、単なる説明例にすぎ
ない。Hereinafter, preferred embodiments of the present invention will be described in detail by way of example with reference to the drawings. However, the shapes, relative arrangements, etc. of the components shown in this embodiment are not intended to limit the scope of the present invention to these only, and are merely illustrative examples.
第１図は、二次電池としてレドックスフロー形電池を法
用した電力貯蔵設備を搭載した浮揚構造体からなる洋上
電力貯蔵装置の一例を示す斜視図、第２図は同側面図、
第３図は同平面図である。また第４図は、レドックスフ
ロー形電池による電力貯蔵設備の構成例を示している。FIG. 1 is a perspective view showing an example of an offshore power storage device consisting of a floating structure equipped with power storage equipment using redox flow batteries as secondary batteries, and FIG. 2 is a side view of the same.
FIG. 3 is a plan view of the same. Further, FIG. 4 shows an example of the configuration of a power storage facility using a redox flow type battery.
第４図においで、１は変電設備、２は直交変換装置（イ
ンバータ）、３は電解槽、４は正極液としてのＦｅ”°
／Ｆｅ”塩酸塩電解液槽、５は負極液としてのＣｒ”／
Ｃｒ”塩酸塩電解液槽、６はポンプである。第４図にお
いて鎖線で囲んだ部分および制御装置が、第１図〜第３
図における浮揚構造体７に搭載される。In Fig. 4, 1 is the substation equipment, 2 is the orthogonal conversion device (inverter), 3 is the electrolytic tank, and 4 is Fe''° as the positive electrode liquid.
/Fe” hydrochloride electrolyte tank, 5 is Cr as negative electrode liquid /
Cr" hydrochloride electrolyte tank, 6 is a pump. The part surrounded by a chain line in FIG. 4 and the control device are shown in FIGS. 1 to 3.
It is mounted on a floating structure 7 in the figure.
すなわち第１図〜第３図に示すように、浮揚構造体（プ
ラントバージ）７に、電解槽３、電解液槽４．５、直交
変換装置２、ポンプ６などからなる二次電池ユニット、
および制御装置８などを搭載した装置を工場内で製作し
、これを引張索９により、設置場所に曳航し係留して使
用する。That is, as shown in FIGS. 1 to 3, a floating structure (plant barge) 7 is equipped with a secondary battery unit consisting of an electrolytic cell 3, an electrolyte bath 4.5, an orthogonal conversion device 2, a pump 6, etc.
A device equipped with a control device 8 and the like is manufactured in a factory, and is towed and moored to the installation site by a tension cable 9 for use.
なお曳航の代りに、前述のように、船で押したり、潮流
や風を利用したり、あるいはこれらの方法を組み合わせ
たりして移送する方法を採ることもできる。またバラス
トタンクを搭載したり、送電方式によっては、直交変換
装置を搭載しない場合もある。なお図面では送電線の図
示を省略している。また図面では三角間首付のものを示
しているが、これに限ることなく、長方形状、ブツシャ
タブ用の凹形船尾部を有する構造などとしても差し支え
ない。Note that instead of towing, as described above, it is also possible to use a method of transporting the material by pushing it by a boat, using the tide or wind, or a combination of these methods. In addition, a ballast tank may be installed, and depending on the power transmission method, an orthogonal conversion device may not be installed. Note that the illustration of the power transmission line is omitted in the drawing. Further, although the drawings show a structure with a triangular neck, the structure is not limited to this, and a structure having a rectangular shape or a concave stern portion for a butt-shape tab may be used.
本発明の洋上電力貯蔵装置は上記のように構成されてい
るので、つぎのような効果を有している。Since the offshore power storage device of the present invention is configured as described above, it has the following effects.
（１１二次電池ユニット、制御装置などを浮揚可能な構
造体に据え付け、一つの巨大なパッケージに工場内で製
作・組立し、設置場所に移送できるので、工事費の嵩む
現地据付工事の期間を大幅に短縮することができ、コス
トの低減を図ることかできるとともに、工場生産のため
工場内で充分に品質管理を行うことがシきる。(11 Rechargeable battery units, control devices, etc. can be installed in a floating structure, manufactured and assembled in one huge package in the factory, and transported to the installation site, reducing the period of on-site installation work that increases construction costs. It is possible to significantly shorten the time, reduce costs, and since it is a factory production, it is possible to perform sufficient quality control within the factory.
（２）電力大消費地は臨海部または河川沿いに存在する
ことが多く、これらの場所に設置することにより、送電
損失を低減することができる。(2) Large power consumption areas are often located in coastal areas or along rivers, and by installing in these locations, power transmission losses can be reduced.
また化学物質の漏洩による事故の被害を低減できる。Furthermore, damage caused by accidents caused by chemical substance leakage can be reduced.
（３）浮揚構造体を用いるので、二次電池を収納する構
造体を軽快なものとすることができるとともに、免震効
果があり安全性が高くなる。(3) Since a floating structure is used, the structure housing the secondary battery can be made light and has a seismic isolation effect, increasing safety.
第１図は本発明の洋上電力貯蔵装置の一例を示す斜視図
、第２図は同側面図、第３図は同平面図、第４図はレド
ックスフロー形電池による電力貯蔵設備の構成例を示す
説明図である。
１−変電設備、２−直交変換装置、３−電解槽、４．５
−電解液槽、６−ポンプ、７−浮揚構造体、８−制御装
置、９−引張索FIG. 1 is a perspective view showing an example of the offshore power storage device of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a plan view of the same, and FIG. 4 is an example of the configuration of power storage equipment using redox flow batteries. FIG. 1- substation equipment, 2- orthogonal conversion device, 3- electrolytic cell, 4.5
- electrolyte bath, 6 - pump, 7 - floating structure, 8 - control device, 9 - tension line
Claims (1)
装置を搭載したことを特徴とする洋上電力貯蔵装置。 ２ 浮揚構造体に、電力貯蔵用二次電池ユニットと、直
交変換装置と、これらの制御装置とを含む装置を搭載し
たことを特徴とする洋上電力貯蔵装置。 ３ 浮揚構造体に、電力貯蔵用二次電池ユニットと、制
御装置と、バラストタンクとを含む装置を搭載したこと
を特徴とする洋上電力貯蔵装置。 ４ 浮揚構造体に、電力貯蔵用二次電池ユニットと、直
交変換装置と、これらの制御装置と、バラストタンクと
を含む装置を搭載したことを特徴とする洋上電力貯蔵装
置。[Scope of Claims] 1. An offshore power storage device characterized in that a device including a secondary battery unit for power storage is mounted on a floating structure. 2. An offshore power storage device characterized in that a device including a secondary battery unit for power storage, an orthogonal conversion device, and a control device for these is mounted on a floating structure. 3. An offshore power storage device characterized in that a device including a secondary battery unit for power storage, a control device, and a ballast tank is mounted on a floating structure. 4. An offshore power storage device characterized in that a device including a secondary battery unit for power storage, an orthogonal conversion device, a control device thereof, and a ballast tank is mounted on a floating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12198586A JPS62281738A (en) | 1986-05-27 | 1986-05-27 | Power storage apparatus on ocean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12198586A JPS62281738A (en) | 1986-05-27 | 1986-05-27 | Power storage apparatus on ocean |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62281738A true JPS62281738A (en) | 1987-12-07 |
Family
ID=14824708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12198586A Pending JPS62281738A (en) | 1986-05-27 | 1986-05-27 | Power storage apparatus on ocean |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62281738A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012505629A (en) * | 2008-10-07 | 2012-03-01 | プレミアム パワー コーポレイション | System and method for transferring energy |
| WO2022239733A1 (en) * | 2021-05-10 | 2022-11-17 | 株式会社パワーエックス | System and method for transporting energy by ship |
| WO2023022103A1 (en) * | 2021-08-16 | 2023-02-23 | 株式会社パワーエックス | System and method for transporting energy by ship |
-
1986
- 1986-05-27 JP JP12198586A patent/JPS62281738A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012505629A (en) * | 2008-10-07 | 2012-03-01 | プレミアム パワー コーポレイション | System and method for transferring energy |
| US8791589B2 (en) | 2008-10-07 | 2014-07-29 | Premium Power Corporation | System and method for transporting energy |
| WO2022239733A1 (en) * | 2021-05-10 | 2022-11-17 | 株式会社パワーエックス | System and method for transporting energy by ship |
| WO2023022103A1 (en) * | 2021-08-16 | 2023-02-23 | 株式会社パワーエックス | System and method for transporting energy by ship |
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