Meanings

reservoir

Leontopodium hayachinense (species of plant related to Edelweiss)

galvanic cell

lake shaped like the kanji "heart" character (traditional Japanese gardens)

Kikuchi pattern

regulating reservoir

Comet Ikeya-Seki

microbial fuel cell

solid-state battery

organic thin-film solar cell

air cell

dye-sensitized solar cell

wading pool

hydrogen fuel cell

good-looking guy

battery-operated

filter basin

fuel cell vehicle

grid storage battery

pond fish