Mobile Power Challenges are Real, But Solutions Abound

Last week, I wrote about the introduction of lowLaboratories. The company said it will unveil its line
power Atom processors by Intel. The new familyof method fuel cells at a trade show in Germany
- which initially is aimed at mobile Internet deviceslater this month and that it is working with
(MIDs) but clearly is part of the company's overallcompanies who expect to release products based
road map - is an important step in reducing poweron the technology this year.
consumption on mobile devices.Indeed, the great interest in this market is clearly
The amount of juice a device consumes is ashown in this listing of companies that are
looming problem: The increasing demand forexpected to attend a conference focusing on
power threatens to outstrip the devices' ability tosmall fuel cells for commercial and military
provide it. Luckily, there are multiple responses -applications. The promo says that more than 100
some quite innovative - to the challenge. Morecompanies are set to attend the meeting, which is
efficient processors, such as Atom, is one.set for Atlanta from April 30 to May 2. There will
Another is better power management on devices.be a pre-conference symposium on creating
A third response is more careful operator use.synergies between lithium ion batteries and fuel
Fourth - and perhaps the most promising - iscells.
more potent power sources.There isn't too much meat in this Drexel
More power can be provided by better batteries,University press release that details research
nascent fuel cell technology or a combination ofbeing done by Professor Yossef Eladb, but it is
the two. A recent interesting CNET piece is basedworth a look for two reasons. The first is that it
on an interview with Peng Lim, the president andoffers an accessible description of how direct
CEO of MTI Micro. The story says that themethanol fuel cells work. The idea is to mix fuel
company's methanol fuel cells are instantaneouslyand air to create electricity, heat and water. The
rechargeable, though it doesn't compare the runrelease also says that a fuel cell operating at 20
time of a fuel cell to the type of lithium ionpercent capacity doubles the power density of
battery commonly used in mobile devices. Thelithium-ion batteries. The fact is intriguing and
sense is, however, that it is greater and growing.worth noting. It would be helpful, however, if the
He says that during 2008, MTI will gear uprelease offered context such as the current state
manufacturing capacity and offer products nextof the art in fuel cell efficiency - is the 20 percent
year. The story describes how the technology,capacity the norm? - and described the difficulties
which seems greener than batteries, works.involved in improving that efficiency.
Indications are that the initial products will beAdequately powering portable devices is a major
aimed at professional-level cameras and cellchallenge, simply because failure will have severe
phones.ramifications for the entire mobile sector. The
MTI, of course, is far from the only companygood news - and there seems to be plenty of it -
researching power cells. Last week, Antigis that an army of researchers is attacking the
Technology received certification for itsproblem from a number of directions. This
H2PowerChip Stack from Underwriterssuggests that adequate solutions will be found.