nelikdulatov/Shutterstock Seems wasteful, doesn't it? If you're like me, every time you pop the batteries out of a remote, gamepad, or flashlight and have to throw them in the trash (or recycle them), there's the faintest ripple of guilt. Surely condemning these tiny receptacles of heavy metal to a landfill can't be great for the environment. In fact, some rechargeable power sources like EV batteries are also highly recyclable . Why, then, do traditional, single-use batteries exist at all? There are myriad, complex reasons why not all batteries are recyclable. Some of those reasons have to do with the chemical makeup of batteries; others are more closely linked to practical considerations like economics and form factor.…