In this video, I demonstrate how to make an oxygen generator using manganese dioxide (MnO2) and hydrogen peroxide (H2O2) ...

Abstract: Lithium battery technology is becoming gradually mature, but little research is conducted on primary lithium metal batteries. State of Charge (SOC) estimation is the basis of battery ...

[SMM Analysis] Progress Bar Loading for Tin Ore Production Resumption in Myanmar's Wa State: How Will the Tin Market Develop Next? [SMM Announcement] Announcement on Adjustment of SMM Monthly ...

ADC12 Price Hit a New Yearly High in November: How Will the Market Perform in December? [SMM Analysis] [SMM Hot-Rolled Steel Arrivals] Mainstream City Arrivals Increased WoW Copper Scrap Supply ...

You’ve seen the headlines: This battery breakthrough is going to change the electric vehicle forever. And then … silence. You head to the local showroom, and the cars all kind of look and feel the ...

I looked at three years of exclusive CNET data of iPhone performance to find out which models hold their charges best. Patrick Holland has been a phone reviewer for CNET since 2016. He is a former ...

(a) Two primary mechanisms leading to “dead Mn” formation. I: related to electron supply limitations; II: related to proton supply imbalances. Hazards of “dead Mn”: active Mn loss (b), capacity ...

Increased battery drain is normal following a major OS update. Your phone needs time to complete the setup in the background. iOS 26 offers a new Adaptive Power mode to extend your battery charge.

When Apple unveiled its new MagSafe battery pack for the iPhone Air, it raised two questions. First, does this mean the iPhone Air has terrible battery life? And, second, would it work with other ...

There's no greater disappointment then getting ready for a night on the town, or packing up your car for a nice trip, and your car battery is dead. Next comes the question: is my car battery at the ...