Tag

Energy Density

All articles tagged with #energy density

technology1 month ago•4 min saved

Galaxy S27 Ultra May Use Silicon-Carbon Battery to Boost Range and Lifespan

Rumors suggest the Galaxy S27 Ultra will employ silicon-carbon batteries, boosting energy density with potential capacities in the 12,000–18,000 mAh range, enabling longer use between charges. Samsung reportedly targets up to 1,500 charging cycles and improved thermal stability, aided by separator and stacking design tweaks, plus smarter battery management, which could extend device life and push broader adoption of this tech.

via Geeky Gadgets|

#battery-technology #energy-density #galaxy-s27-ultra

culture2 months ago•6 min saved

Astrophage-Powered EVs: Theoretical Range If a Fictional Fuel Were Real

The piece uses astrophage, a fictional, ultra-dense energy source from Project Hail Mary, to speculate how far an EV could drive, estimating energy densities and a replacement battery with astrophage cells; it concludes that, in theory, ranges could be enormous, but emphasizes it's a playful thought experiment about fictional tech with safety and military considerations.

via Jalopnik|

#astrophage #culture #electric-vehicles

technology2 months ago•3 min saved

Hard Carbon Sparks Fast-Charging Sodium Batteries

Researchers at Tokyo University of Science found that using hard carbon as the anode enables high sodium storage and faster sodiation, potentially matching fast charging of lithium ion batteries and boosting energy density. Sodium ion batteries offer environmental and supply chain advantages, including cheaper production and safer shipping, with growing use in vehicles. However they still lag lithium ion in energy density and face challenges to sustain fast charging due to ion traffic jams, so lithium ion remains dominant for now while sodium ion technology continues to advance.

via SlashGear|

#battery-technology #energy-density #environmental-benefits

technology2 months ago•3 min saved

China Trials High-Density Solid-State EV Batteries, Claiming 1,500 km Per Charge

China’s Changan and GAC are planning 2026 road trials of solid-state batteries in electric cars, with Changan claiming 400 Wh/kg energy density and up to 1,500 km per charge, and GAC aiming to deploy the tech in its Hyptec SUV by year’s end. The move is part of broader work on solid-state chemistries—including sodium-based Naxtra variants—promising higher energy density, safer non-liquid electrolytes, and faster charging (potentially around 12 minutes 0-80%). While solid-state tech eyes quicker adoption, Li-ion batteries are expected to persist during the transition, with researchers reporting even higher densities in some lab-developed chemistries.,

via SlashGear|

#chinese-automakers #electric-vehicles #energy-density

technology2 months ago•11 min saved

Molecular Solar Thermal: A Sunlight Battery for Heat Storage

A Science Magazine paper details Molecular Solar Thermal (MOST) energy storage that stores solar energy in UV-triggered molecular states (pyrimidone). It achieves about 1.65 MJ/kg energy density and can be liquid at room temperature, but heat release requires acidic conditions, complicating closed-loop use. The system exhibits self-discharge with a half-life up to roughly 481 days and supports only ~20 charge cycles, which limits practical cycling. While its energy density rivals Li‑ion batteries in theory, efficiency and cycling challenges mean it’s better suited for seasonal heat storage in sunny locations until further refinements improve viability.

via Hackaday|

#energy-density #molecular-solar-thermal #most-energy-storage

science3 months ago•8 min saved

Bio-inspired sun battery stores solar energy as heat, outpacing lithium-ion density

UC Santa Barbara chemists report a bio-inspired pyrimidone molecule for molecular solar thermal (MOST) energy storage that captures sunlight, stores it in chemical bonds, and releases it as heat on demand. With an energy density over 1.6 MJ/kg—roughly twice that of lithium-ion batteries—the material can boil water under ambient conditions, enabling practical off-grid heating and solar-collector systems without bulky batteries. The approach functions like a rechargeable solar battery, with energy stored photochemically and released on trigger; the concept is reusable and recyclable and could transform how we store daytime sun for use later.

via futurity.org|

#energy-density #molecular-solar-thermal-energy-storage #pyrimidone

technology8 months ago•3 min saved

iPhone Air's Key Innovation Lies in Battery Technology

The iPhone Air features a groundbreaking battery design using patented metal can technology, allowing for a two-dimensional shape that maximizes space and durability. This innovation not only enhances the device's form factor but also paves the way for higher energy density batteries, including the potential adoption of silicon anodes, which could significantly improve battery performance in future electronics.

via TechCrunch|

#battery-technology #energy-density #iphone-air

science-and-technology8 months ago•5 min saved

Scientists Develop Rocket Fuel 150% More Powerful Than Aluminum

Scientists at the University of Albany developed a boron-based rocket fuel compound, manganese diboride (MnB2), that offers 150% more energy than aluminum, with a spring-like structure that stores and releases energy efficiently, potentially revolutionizing space propulsion and payload capacity.

via Energy Reporters|

#boron-based #energy-density #mnb2

environment9 months ago•2 min saved

Federal Lands and Policies: Shaping the Future of Solar and Wind Energy

The Interior Department has issued a secretarial order restricting permits for solar and wind projects on federal lands unless they match the energy density of traditional power sources like coal, gas, or nuclear, potentially halting many renewable projects and emphasizing a focus on land use efficiency over environmental benefits.

via Heatmap News|

#energy-density #environment #federal-lands

technology11 months ago•2 min saved

Galaxy S25 Edge Outperforms Ultra in Battery, But Not as Expected

The Galaxy S25 Edge's battery, despite its smaller capacity of 3,900mAh, actually has a higher energy density (758Wh/L) than the Galaxy S25 Ultra's 5,000mAh battery, indicating Samsung's efforts to optimize battery technology within the slim design, possibly using advanced materials like Silicon Carbon, though they opted for conventional Lithium Ion batteries for safety reasons.

via SamMobile|

#battery-capacity #energy-density #galaxy-s25-edge

science-and-technology2 years ago•3 min saved

"Revolutionizing Energy Storage: Nano-Thin Ferroelectric Capacitors Spark Innovation"

Researchers have developed a novel 2D/3D/2D heterostructure that enhances the energy storage capability of ferroelectric capacitors. By controlling the relaxation time of ferroelectric materials using 2D materials, they achieved an energy density up to 19 times higher than commercially available capacitors, with an efficiency over 90%. This innovation paves the way for high-performance electronic devices, particularly in sectors requiring robust power management solutions, such as electric vehicles and infrastructure development.

via Phys.org|

#2d-materials #electronic-devices #electrostatic-energy-storage

technology2 years ago•3 min saved

"Panasonic's New Batteries for Tesla Expected to Lower EV Prices: Report"

Panasonic plans to produce a new version of the 2170 cells used in Tesla vehicles at its Nevada plant, aiming to quadruple production capacity by 2030 without building new factories. The improved cells with higher energy density could reduce EV prices. The company also announced plans for a new battery manufacturing plant in the US and an agreement to purchase nano-composite silicon anode material, which could enable 500-mile nonstop trips and 10-minute recharges in EVs. The Biden administration's Inflation Reduction subsidies have been beneficial for Panasonic, with the company forecasting a $587 million increase in operation during the fiscal year ending March 2024.

via Electrek.co|

#battery-production #electric-vehicles #energy-density

technology2 years ago•1 min saved

"Apple's Next-Gen Battery: Revolutionizing Future iPhones and Vision Headsets"

Apple is reportedly developing a "next generation" battery for its future vision headsets, with a potential integration into products after 2025. The battery utilizes a new cathode composition to increase energy density and charging rate, and Apple is exploring the use of silicon instead of graphite in the anode to further enhance energy density. The company may have found a solution to silicon's longevity issues and is even considering carbon nanotubes as a conductive material. The success and implementation of these innovations remain uncertain, as Apple could delay or cancel the battery project at any time.

via UploadVR|

#apple #battery-technology #energy-density

technology2 years ago•3 min saved

QuantumScape's Q2 2023 Report Reveals Potential Automotive Launch Partner and Rapid Charging Capabilities

QuantumScape, the solid-state battery developer, has made significant progress towards commercialization in the EV segment. In its Q2 2023 report, the company announced the shipment of high cathode-loading cells to automotive partners and revealed a potential launch partner for its first product. QuantumScape's prototype cells have passed safety tests and it has demonstrated a 10-80% fast charge in 15 minutes. The company also outlined plans for implementing a fast separator heat-treatment process in manufacturing. With over $900 million in liquidity, QuantumScape expects to continue development into the second half of 2025.

via Electrek|

#energy-density #evs #fast-charging

technology2 years ago•3 min saved

"Revolutionary Stacked Battery Technology Expected in iPhone 15"

The upcoming iPhone 15 lineup may feature stacked battery technology, which increases energy density and prolongs the battery's lifespan. Stacked battery cells use a lamination technique that allows for more active material and higher overall capacity. This technology is already used in electric vehicles and other industries. Additionally, there are rumors of Apple exploring 40W wired charging and 20W charging via MagSafe, but the source's credibility for Apple leaks is uncertain.

via MacRumors|

#energy-density #iphone-15 #prolonged-lifespan