リチウムイオン二次電池
Many environmentally friendly technologies, such as electric cars, solar power, geothermal energy, wind power, the Lithium-ion battery, vertical farming, recycling, permaculture, hydroponics, energy-efficient technology such as fluorescent lighting and LEDs and high-speed rail have been implemented or have become mainstream in Western nations since 1980. Developing nations have also embraced these technologies, and China has become the world's leading manufacturer of wind turbines and solar-electric panels in the 21st century.