A Presentation on Smart batteries

1. Smart Batteries
Date: 18th Dec. 2013

2. Batteries have been improving
 Different generations of batteries, improving capacity and
better for environment
 Lead-acid batteries
 Ni-Cad (Nickel-Cadmium)
 NiMH (Nickel-Metal-Hydride)
 Li-Ion (Lithium-Ion)
 Li-Poly (Lithium-Polymer)
 Samsung Galaxy S3 - Li-Ion 2100 mAh battery
 iPhone 5S - Built-in rechargeable lithium-ion battery
 iPad - Built-in 25-watt-hour rechargeable Li-Poly battery

3. Lots of advancements in the battery technology
Future generation Li-Ion
battery, 2000x more powerful
Solar cell under the screen
A lot still needs to be done!

4. We need bigger and better batteries
 The more the number of pixels, the more the need for
computation
 iPhone 5S (1136x640), Galaxy Note 3 (1080 x 1920 pixels)
 True colour (24 bits) requires 3 times the computation that of
256 (8 bits) colours
 Galaxy Note 3 (16M colours)
 The bigger the screen size, the more power it needs
 Galaxy Note 3 (5.7”), iPhone 5S (4”)
 More processors, need more power
 Dual core (2 processors), Quad core (4 processors)
 More radios suck more power
 Wi-Fi, 3G, 4G, Bluetooth, NFC, etc.

5. Intelligent Battery: Renault ‘Zoe’
Car comes with no battery. User gets a contract with the battery
provider. Renault reserves the right to prevent the battery from
charging at the end of the rental period or if you fall behind on
paying the rent for the battery.

6. What is a ‘smart’ battery?
A battery that can communicate with other
batteries and make decisions based on these
communications and a pre-defined set of rules

7. The connected individual
Headphones
connected to
phone or tablet
Other connected
device like Laptop
Tablet
Phone

8. Headphone needs power - 1
I am low on
power, who can I
borrow it from?

9. Headphone needs power - 1
I am low on
power, who can I
borrow it from?
Take as much
as you need
I can lend
some
Communication

10. Headphone needs power - 2
I am low on
power, who can I
borrow it from?
Sorry, I am
exhausted
I am 50% full
but have a higher
need, sorry
Priority

11. Priority Rules
Borrow power from
Headphone
Tablet
Headphone
Tablet
Mobile
Other device
Not possible
Possible if high priority – Automatic
Possible if high priority – Manual
Possible
Mobile
Other device

12. Wireless (Inductive) charging
 Pictures Source: OKJ Discoveries

13. Charging devices
I don’t need
much power but
I can wait
I will charge
first as I have
highest priority
I will go next
Let me know
when you are all
done
Limited time and power availability
Devices decide among themselves who should charge when, how
much, etc.

14. Context is important too
 Early morning: X goes for a jog with smartphone and headset.
The smartphone has GPS tracker and fitness app – highest
priority
 Late morning: X goes to work listening podcasts on the
smartphone
 At work: X needs to work on laptop, should always be at least
50% charged
 In evening: X is coming back from work, speaking on phone to
his friends and family. Phone and Bluetooth headset needs to
be charged
 Late evening: X is watching TV/Video on his tablet.

15. Charging priority based on context
Priority Rules
Headphone
Tablet
Mobile
Other device
Early Morning
Late Morning
At Work
Early Evening
Late Evening
Lowest priority
Highest priority

16. Borrowing power from friends / colleagues
Please lend me
some power,
phone about to
die
Sure, will lend
you power to
make this one
call

17. Competing for power at public spots
 Facility to charge devices in public places is a boon for end user
and good advertisement for companies and airports, etc.
 Wired charging stations are being replaced by wireless ones

18. Competing for power at public spots – Next Gen
 ‘Smart charging’ can give higher priority to subscribers, devices
of certain brands, devices with lowest charge remaining

19. What am I doing here?
 Our interest is working in these future
technologies in partnerships.
 We generate ideas and help our
partners translate these ideas into
reality.

20. About eXplanoTech
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