• Home
  • Latest
  • Fortune 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia

Trendingnow

1

Pentagon accuses Alibaba, Baidu and BYD, three of China's biggest companies, of supporting the Chinese military

2

'We are rapidly running out of time': Watchdog sounds Social Security alarm after 22% cut confirmed for 2032

3

Costco CEO Ron Vachris rose from forklift driver to the C-suite without a college degree: ‘Don’t chase a title’ is the career advice that got him there

1

Pentagon accuses Alibaba, Baidu and BYD, three of China's biggest companies, of supporting the Chinese military

2

'We are rapidly running out of time': Watchdog sounds Social Security alarm after 22% cut confirmed for 2032

3

Costco CEO Ron Vachris rose from forklift driver to the C-suite without a college degree: ‘Don’t chase a title’ is the career advice that got him there
Brainstorm E

This company wants to build a better battery than Elon Musk

By
Stacey Higginbotham
Stacey Higginbotham
Down Arrow Button Icon
By
Stacey Higginbotham
Stacey Higginbotham
Down Arrow Button Icon
September 28, 2015, 8:04 PM ET

Building a battery company is hard. But it’s even harder to do while the clean energy bubble is popping and your competitors are going bankrupt.

But that didn’t stop Ann Marie Sastry, the co-founder and CEO of seven-year-old battery startup Sakti3, who recently signed a deal to put her new solid state lithium-ion batteries into products from vacuum company Dyson.

Speaking at Fortune’s Brainstorm Tech E conference in Austin on Monday, Sastry said it would still be two or three years before you can buy Dyson products with the new battery inside. She didn’t say whether they would be added to Dyson’s wireless vacuum cleaners, hand dryers, or fans.

Sakti3’s technology is different from the lithium-ion batteries that Tesla (TSLA) is pioneering with its giant energy storage Powerwall batteries for businesses and utilities, or the batteries inside its electric cars, in that it eliminates any extraneous non energy storing elements inside the battery. That is what makes them solid-sate and able to store more energy.

However, the Sakti3’s batteries are only now going into production.

With Sastry now focused on scaling up her firm’s technology, she had some words of wisdom for entrepreneurs trying to commercialize technology out of a research lab or academia. Think about how to increase production from the beginning. She said that when she began researching how to build the solid state battery, she told researchers they could not use metals like platinum or gold that would stymie the company’s effort to scale even if they helped the battery hit short-term performance benchmarks.

As for the audience members who were worried about Sakti3’s batteries suddenly making their Tesla’s obsolete, Sastry was encouraging. She explained that solid state batteries are a next-generation technology that will rely on firms like Tesla to popularize. So anyone buying a Tesla today is only helping create a market for companies like hers. Plus, if her batteries are two or three years away from powering a wireless vacuum, surely automobiles are at least five or six years away.

Click here for more coverage of Fortune’s Brainstorm E conference.

For more about batteries, watch this Fortune video:

About the Author
By Stacey Higginbotham
See full bioRight Arrow Button Icon

Latest in

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025

Most Popular

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Fortune Secondary Logo
Rankings
  • 100 Best Companies
  • Fortune 500
  • Global 500
  • Fortune 500 Europe
  • Most Powerful Women
  • World's Most Admired Companies
  • See All Rankings
  • Lists Calendar
Sections
  • Finance
  • Fortune Crypto
  • Features
  • Leadership
  • Health
  • Commentary
  • Success
  • Retail
  • Mpw
  • Tech
  • Lifestyle
  • CEO Initiative
  • Asia
  • Politics
  • Conferences
  • Europe
  • Newsletters
  • Personal Finance
  • Environment
  • Magazine
  • Education
Customer Support
  • Frequently Asked Questions
  • Customer Service Portal
  • Privacy Policy
  • Terms Of Use
  • Single Issues For Purchase
  • International Print
Commercial Services
  • Advertising
  • Fortune Brand Studio
  • Fortune Analytics
  • Fortune Conferences
  • Business Development
  • Group Subscriptions
About Us
  • About Us
  • Press Center
  • Work At Fortune
  • Terms And Conditions
  • Site Map
  • About Us
  • Press Center
  • Work At Fortune
  • Terms And Conditions
  • Site Map
  • Facebook icon
  • Twitter icon
  • LinkedIn icon
  • Instagram icon
  • Pinterest icon

Latest in

Jamie Laing thinks tomorrow’s Fortune 500 will be built by creators. He might be right 
C-Suitecreator economy
Jamie Laing thinks tomorrow’s Fortune 500 will be built by creators. He might be right 
By Sam BirchallJune 10, 2026
29 minutes ago
Geoffrey von Maltzahn and Kimberly Powell on stage at Fortune Brainstorm Tech
AITerm Sheet
AI drug discovery leaders warn U.S. health funding cuts risk falling behind global rivals
By Lily Mae LazarusJune 10, 2026
1 hour ago
The U.S. strategic petroleum reserve is so low it’s near panic levels
EnergyMarkets
The U.S. strategic petroleum reserve is so low it’s near panic levels
By Jim EdwardsJune 10, 2026
1 hour ago
Today’s top high-yield savings rates: Up to 5.00% on June 10, 2026
Personal FinanceSavings accounts
Today’s top high-yield savings rates: Up to 5.00% on June 10, 2026
By Glen Luke FlanaganJune 10, 2026
2 hours ago
Top CD rates today, June 10, 2026: Lock in up to up to 4.30%
Personal FinanceCertificates of Deposit (CDs)
Top CD rates today, June 10, 2026: Lock in up to up to 4.30%
By Glen Luke FlanaganJune 10, 2026
2 hours ago
A ‘MAGA Warrior’ Texas ag chief is publicly blasting the USDA over a flesh-eating pest threatening America’s beef supply
North AmericaUSDA
A ‘MAGA Warrior’ Texas ag chief is publicly blasting the USDA over a flesh-eating pest threatening America’s beef supply
By Marco Quiroz-GutierrezJune 10, 2026
2 hours ago

Most Popular

Pentagon accuses Alibaba, Baidu and BYD, three of China's biggest companies, of supporting the Chinese military
Asia
Pentagon accuses Alibaba, Baidu and BYD, three of China's biggest companies, of supporting the Chinese military
By Kate O'Keeffe and BloombergJune 8, 2026
2 days ago
'We are rapidly running out of time': Watchdog sounds Social Security alarm after 22% cut confirmed for 2032
Economy
'We are rapidly running out of time': Watchdog sounds Social Security alarm after 22% cut confirmed for 2032
By Nick LichtenbergJune 9, 2026
19 hours ago
Costco CEO Ron Vachris rose from forklift driver to the C-suite without a college degree: ‘Don’t chase a title’ is the career advice that got him there
Success
Costco CEO Ron Vachris rose from forklift driver to the C-suite without a college degree: ‘Don’t chase a title’ is the career advice that got him there
By Preston ForeJune 8, 2026
2 days ago
Current price of oil as of June 9, 2026
Personal Finance
Current price of oil as of June 9, 2026
By Joseph HostetlerJune 9, 2026
23 hours ago
Trump, who has repeatedly called climate change fake, is now threatening Brazil with tariffs over the deforestation of the Amazon
Environment
Trump, who has repeatedly called climate change fake, is now threatening Brazil with tariffs over the deforestation of the Amazon
By Sasha RogelbergJune 8, 2026
2 days ago
Current price of silver as of Tuesday, June 9, 2026
Personal Finance
Current price of silver as of Tuesday, June 9, 2026
By Joseph HostetlerJune 9, 2026
23 hours ago

© 2026 Fortune Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.