March 2023
Intermediate
240 pages
7h 3m
Japanese
Content preview from 図解まるわかり 電池のしくみ
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
200
太陽の光を電気にする電池
太陽電池、光起電力効果、太陽光発電、セレン光電池
6-1
よく見かけるあのパネルも電池の1つ
近年、太陽光（ソーラー）パネルと呼ばれるものが、住宅やビルの屋
根、街灯などに設置され、よく見かけるようになりました。
これらは太陽電池と呼ばれる物理電池（1-2）の一種で、太陽などの光が
物質に当たると電子が発生する光起電力効果（光電効果）を利用して、電気
を取り出す電池です。光が当たっていれば継続的に電気を作り出す発電装置
のような電池で、太陽光発電（PV）と呼ぶこともあります（3-18、5-12）。
カメラの露光計は太陽電池？
1839 年アレキサンドル・エドモンド・ベルクル（仏）が、電解質に一
組の白金電極を浸し、片方の電極に光を当てると、わずかに電気が流れる
光起電力効果を発見しました（図6-1）。1876年にはウィリアム・グリュ
リス・アダムス（英）とリチャード・エバンス・デイ（英）が、金属板に
セレンを塗り、その表面に光を当てると電気を発生することを発見しま
す。このセレンの起電力を応用し、1884 年チャールズ・フリッツ（米）
が発明した世界初の太陽電池セレン光電池は、1960 年代までカメラの露
光計として使われました（図6-2）。
急速に広がる太陽電池
現在のような太陽電池は、アメリカのベル研究所で1954 年に発明され
ました。すぐに宇宙用に実用化が始まり、1958年には初の宇宙用太陽電
池が、科学衛星に搭載されました。
国内では1963 年から生産が始まり、1967 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.