«The theoretical capacity of graphite is 372 milliamp
hours per gram, and we achieved 200 milliamp hours after one hour of charging,» Pol said.
At slow rates of discharge, the materials showed an impressive capacity: at 166 milliamp
hours per gram, the materials came close to the theoretical capacity of lithium iron phosphate, which is 170 milliamp
hours per gram.
Its best performance knocked at the theoretical maximum at 168 milliAmp
hours per gram, when it was slowly charged and discharged over two days.
Charging and discharging in an hour — a reasonable goal for use in consumer electronics — allowed it to store a measly 54 milliAmp
hours per gram.
But other investigators working with LMP have not even been able to eek out 120 milliAmp
hours per gram so far from the material they've synthesized.
The researchers found that the black porous structures store more than 15,000 milliamp
hours per gram of graphene, making it far denser in term of energy capacity than other materials.
Traditionally, lithium - ion batteries contain a graphite anode, but silicon has recently emerged as a promising anode substitute because it is the second most abundant element on earth and has a theoretical capacity of 3600 milliamp
hours per gram (mAh / g), almost 10 times the capacity of graphite.
Not exact matches
The T factor is difficult to measure, but one index might be the
grams of sulfur produced
per kilowatt
hour of electricity generated.
With 14
grams of protein and 14
grams of fiber
per serving it's a delicious morning meal that will keep you full for
hours.
One ounce of crunchy, salty, mixed nuts will keep your energy up for
hours for only 5
grams of carbs
per ounce.
They have roughly 2
grams of plant - based protein
per tablespoon, and will keep you full for
hours thanks to the satiating fat and fiber content, too.
Packed with 9
grams protein and more than 7
grams fiber
per slice, this bread will keep you going for
hours and is a healthier alternative to store - bought bread.
Per serving, about two pancakes, they have 53
grams of protein, making them a healthy post-workout breakfast after
hours of working out in the morning.
Packed with 9
grams of protein and over 7
grams of fibre
per slice, this bread will keep you going for
hours.
Reducing the overfill of a 450 -
gram pack by one
gram, on a line producing 200 packs
per minute running 16
hours a day for 230 days a year, would result in you saving enough raw materials to make an additional 98133 products.
According to research presented at the annual meeting of the American College of Sprst Medicine in Baltimore, Maryland, June 1 - 5, 2010, cyclists and triathletes who consumed 60 to 80
grams carbohydrate
per hour (240 - 320 calories / h) performed better than those who consumed 10 - 50 or 90 - 120
grams of carbohydrate
per hour.
Over several
hours, the salinity of the salt water dropped by 68
per cent to 1.6
grams of salt
per litre.
Analysis with an electron microscope confirmed that they had produced graphene at a rate of about 5
grams per hour.
But until now, manufacturing high - quality graphene in large quantities has proved difficult — the best lab techniques manage less than half a
gram per hour.
A plant uses just 1 percent of the energy it receives from the sun to make glucose, whereas the artificial system achieved roughly 10 percent efficiency in converting carbon dioxide to fuel, the equivalent of pulling 180
grams of carbon dioxide from the air
per kilowatt -
hour of electricity generated.
MOXIE will attempt to produce about 20
grams of oxygen
per hour for around 50
hours, probably using the reverse water - gas shift reaction (CO2 + H2 - > CO + H20) and then electrolysis of the resulting water to produce oxygen.
Lemon, garlic, and Greek yogurt pack this meatless stew with flavor — and its protein (20
grams per serving) and fiber (17
grams) will keep you energized for
hours.
According to studies published in Sports Medicine journal, the rate depends on duration and exercise intensity, but as a general recommendation, exercise going for one to two
hours should be supplemented with 30
grams of carbohydrate (for the second
hour, naturally) and two to three
hours of exercise with 60
grams per hour, which is technically the maximum rate the body can break down a single source of carbohydrates.
On your 10th day, no more than two
hours following your workout, you should look to consume 1
gram of carbohydrates,
per pound of bodyweight, so if you weigh 250 lbs, you'll need 250
grams of carbs, from simple sources such as pizza, cakes, fries, ice cream, cookies, and so on.
Yes, a lot of assumptions were made here (and I'm sure you could argue plus or minus 10 - 25 % for ANY of these numbers), but this hopefully puts it a bit in perspective - ~ 200 calories of glycogen is about 50
grams of carbohydrates, and given the body can synthesize around 15 - 20
grams of glycogen
per hour, and is doing so during the workout from any food remaining in the gut, unless you haven't eaten in 12
hours you really only need ~ 30 additional
grams of carbohydrates post workout, of which the body will use about 15 - 20
per hour to top off your stores.
The «wildly speculative values» of 3 to 7
grams per day referred to by Cordain came from a cohort study published in 2011 in The Journal of the American Medical Association in which sodium intake of almost twenty - nine thousand patients with established cardiovascular disease or diabetes mellitus was estimated by twenty - four -
hour urinary sodium excretion.26 During the follow - up of fifty - four months, the study found that daily sodium intake below three
grams and above seven
grams significantly increased cardiovascular risk.
Many individuals (read: the internet) then went on to make a connection from this to data on the mean rate of amino acid absorption in the small intestine (5 - 10
grams per hour, depending on study), and decided that 30
grams of protein
per sitting was the body's upper limit.
These values are derived from twenty - four -
hour urinary sodium excretion measurements in studies involving over one hundred thousand participants.4 Cordain implies that sodium intake in «non-westernized people» is far lower than in the US, but in fact the average daily sodium intake in Asia, Africa and the Middle East is about 50 percent higher than the 3.4
grams per day in the U.S. and Canada.24, 25
The maximum rate that whey, and other proteins, can be absorbed is between 8 — 10
grams per hour.
Maintain blood sugar levels and help spare muscle glycogen by targeting 0.3 to 0.5
grams of carbohydrate
per pound of body weight
per hour.
Replenish your morning low liver glycogen levels by consuming 0.5
gram of carbohydrate
per pound of body weight one
hour before riding.
You should consume 2.3 to 3.2
grams of carbs
per pound for light to moderate training that lasts less than one
hour, 3.2 to 4.5
grams per pound for heavy training at a high intensity and 4.5 to 5.5
grams per pound of body weight each day when running longer than four to five
hours.
Over the last few years, thanks to multiple - carb blends, that threshold has been pushed up to 90
grams of carb
per hour.
The traditional thinking was that humans generally couldn't process more than 60
grams of carb
per hour.
25 well trained athletes were given 250
grams of blueberries
per day for six weeks, and 375
grams of blueberries one
hour before a 2.5
hour running session.
I could tell my glycogen levels were low - I usually count on 50
grams or so of sugar from the intra-formance
per hour.
One ounce of crunchy, salty, mixed nuts will keep your energy up for
hours for only 5
grams of carbs
per ounce.
For training runs longer then 60 to 90 minutes, aim to take in 30 - 80
grams of carbohydrate
per hour.
If you want to gain muscle and strength as quickly as possible, then you want to eat around 1
gram of protein
per pound of body weight
per day, and break it up into 4 to 6 separate servings timed a few (3 to 4)
hours apart.
In general, try get about 0.5
grams per kilogram of your bodyweight of carbohydrates within 30 to 60 minutes of sweating and an additional 1.5
grams per kilogram body weight within two
hours.
I'm trying to figure out why some trainers and doctors recommend 1
gram of protein
per pound of body weight, making someone working out 1 - 2
hours a day gulp down 2 - 3 times their protein requirement, mostly in the form of whey protein.
Seeing as your brain may burn through 100 - 125
grams a day and a workout can burn 30 - 70
grams per hour on average lets go for a little over 1g
per body weight.
The reason behind their nutritional importance lies in their palatable ease of digestion, with 4.5
grams of insoluble fiber
per fruit, which makes them an ideal way to get an energy boost that will keep you fueled for
hours on the go.
EAA's are also absorbed by the body within 23 minutes, compared to several
hours for food or powder sources of whole protein (and, for any weight watchers, there is only 0.4 of a calorie
per gram / tablet / capsule).
The Journal of Strength and Conditioning Research found that athletes should consume around 0.8
grams carbohydrate
per kilogram of body weight [about 55g for a 155 - pounder], and 0.4 g protein
per kg [30
grams in the same example] every
hour for four to six
hours post-exercise.
In this 6 month period, her 24 -
hour insulin sensitivity increased from 2.0
grams per unit to 11.5
grams per unit, resulting in a 485 % or 4.9-fold increase.
If you're regularly engaging in lots of anaerobic activity (HIIT, sprinting, heavy lifting, mid-to-high intensity endurance training, sports like soccer, basketball, football), you should probably eat more carbs to the tune of 100 extra
grams per hour of anaerobic output.
A starting point for deciding how much carbohydrate to take in is 200 to 400 calories (50 - 100
grams)
per hour modified according to body size, experience, and the nature of the exercise.
but, given the fact that at the gym i do aerobic and anaerobic activities (weight lifting) i thought that for me, the amount of carbs that you guys suggest (less than 20
grams per day) is too low... my training sessions last at least 2
hours and i think that is a big factor when it comes to glicogen depletion... i mean, probably, at the end of a long training session i have no carbs left at all, i guess... and after the session the carbs i eat are (for dinner) 17
grams of carbs contained in the milk (350 ml) shaked with the powder proteins... i also don't eat much fat... in fact my nutritional regime has 1300 - 1400 kcal
per day... what do you think about it?
CR quotes a nutritionist saying, «The body can only break down 5 to 9
grams of protein
per hour, and any excess that is not burned for energy is converted to fat or excreted, so it's a ridiculous waste to be recommending so much more than you really need.»