#battery-safety — Public Fediverse posts

The battery miracle online is doing the most

Dear Cherubs, the internet has once again discovered a battery so perfect it sounds like it came from a pitch deck written by a caffeinated intern and approved by gravity itself. The specific 90-second charge, 99.7% storage retention, and 5,000-cycle package circulating online was not verifiable from primary sources I checked, so the smart move is to treat it as a viral claim, not a finished breakthrough.

Reality check

What is real is the bigger trend: solid-state batteries replace the flammable liquid electrolyte used in conventional lithium-ion cells with a solid ion conductor, which can improve safety and potentially raise energy density. MIT has been making that case for years, while also pointing out that the interface between materials is still the part where the dream gets stuck in traffic.

That interface problem is not a footnote. MIT’s recent coverage says solid-state cells are still plagued by dendrites that can short-circuit the battery, and a 2020 MIT review lays out the rest of the mess: chemical stability, mechanical stability, processing, and long-term performance. In other words, the field is advancing, just not in the magical “plug in for 90 seconds and disappear for six months” way social media likes to sell it.

DOE’s battery overview says solid-state batteries can be safer because they are less prone to leakage from damage or swelling in hot temperatures, but it also notes that some designs still use a little liquid at the cathode to reduce interfacial resistance. Translation: progress, yes. Fairy dust, no.

Why it matters

The good news is that the field is moving. In 2025, Stellantis and Factorial Energy said they validated automotive-sized solid-state cells with 375 Wh/kg energy density and fast charging from 15% to 90% in 18 minutes, with a demonstration fleet planned for 2026. That is not “two-minute EV charging,” but it is a serious step forward, which is how real engineering usually behaves when nobody is trying to go viral.

So the right takeaway is not that battery problems have been solved. It is that researchers keep making the hard part less impossible. If the viral post was pointing at a real advance, it was probably one brick in a wall, not the wall itself. The upside is still huge: safer packs, longer life, and faster charging. The downside is that physics remains deeply committed to being inconvenient.

Sources:
MIT Department of Materials Science and Engineering — https://dmse.mit.edu/news/why-solid-state-batteries-keep-short-circuiting/
MIT News — https://news.mit.edu/2017/toward-solid-lithium-batteries-0202
MIT Review PDF — https://ecm.mit.edu/pubs/articles/10.1002_aenm.202002689.pdf
U.S. Department of Energy — https://www.energy.gov/cmei/ammto/breaking-it-down-next-generation-batteries
U.S. Department of Energy — https://www.energy.gov/cmei/ammto/breaking-it-down-next-generation-batteries
Stellantis — https://www.stellantis.com/en/news/press-releases/2025/april/stellantis-and-factorial-energy-reach-key-milestone-in-solid-state-battery-development
Wikimedia Commons image source — https://commons.wikimedia.org/wiki/File:All-Solid-State_Battery.png

Cheap lithium-ion batteries can look identical on the outside — but be dangerously different inside.

A CT study scanning 1,000 18650 cells found some ultra-cheap brands missing key safety protections and showing serious internal defects — things you cannot see.

I use these cells in my T-Beams. Brand matters.
The Surprising Flaws in 18650 Lithium-Ion Batteries
https://www.youtube.com/watch?v=-Y23nfAOiXQ

Details:
https://salemdata.net/johnpress/?p=499

#BatterySafety #18650 #Meshtastic #LoRa #ESP32 #Electronics #DIY

I’ve worked in fire safety management and training for 28 years. In that time, one hazard has grown from niche to everyday risk: lithium-ion battery fires. These incidents don’t behave like “normal” fires — and that difference is critical for safety. 🧵
#FireSafety
#LithiumIon
#BatterySafety
#FirePrevention
#christmas
#Electric

X-ray scans reveal the hidden risks of cheap batteries

https://www.theverge.com/news/784966/lumafield-x-ray-ct-scan-lithium-ion-battery-risks-manufacturing-defect

#HackerNews #XrayScans #CheapBatteries #BatterySafety #ManufacturingRisks #LithiumIon

EV battery fires? Not the threat you’ve been told. Fires are down—even as EV sales hit records. LFP batteries are safer than ever, China sets the global benchmark, but legislation is lagging—& not all lithium batteries are created equal. Debunking myths with data, not drama: #EV #BatterySafety #LFP

Battery Fires: The Truth, The ...

In 2024, electric vehicle (EV) adoption is surging, driven by advancements in cold weather performance, charging infrastructure, and battery safety. This article dispels common myths, emphasizing the convenience of home charging, competitive insurance rates, and the environmental benefits of EVs. Stay informed about the evolving landscape of electric vehicles.

#ElectricVehicles #ChargingInfrastructure #BatterySafety #HomeCharging #EnvironmentalBenefits #EVMyths
https://techandthoughts.com/2024/10/03/electric-vehicles-in-2024-unpacking-trends-and-debunking-common-myths/

Hezbollah’s Pager Explosions Trigger Questions of Similar Threat to Smartphones https://thecyberexpress.com/hezbollahs-pager-explosions-threat-smartphones/ #smartphonevulnerabilities #Hezbollahpagerexplosion #ThreatIntelligenceNews #cyberphysicalattacks #Israeliintelligence #supplychainsabotage #TheCyberExpressNews #smartphonesecurity #Vulnerabilities #TheCyberExpress #FirewallDaily #batterysafety #Lebanonattack #CyberWarfare #CyberNews #Mossad

We have a new article on protecting lithium-ion batteries by introducing a protective polymer layer directly on the electrode. This time we chose something less tame than LFP and switched to NMC.The polymer's conductivity potentials match the battery voltage window, thus preventing unwanted reactions both in short-circuit and overcharge tests.

#Electrochemistry #LithiumIon #Batteries #BatterySafety

https://doi.org/10.1021/acsaem.3c02145

CERENERGY batteries can withstand temperatures up to 300°C without exploding or catching fire. Compared to traditional lithium-ion batteries, this is a remarkable feat, which can burst into flames at around 150°C. CERENERGY batteries could revolutionize the safety and performance of electric vehicles, smartphones, laptops and other devices that rely on battery power.

#CERENERGY #BatterySafety #GreenTech

https://www.thecooldown.com/green-tech/cerenergy-lithium-ion-battery-safe-solid-state-explode/